Why do birds have no urinary bladders?

Answers

Answer 1
Birds actually combine their solid and liquid waste into a white paste with varying amount of green/brown color. The white part is mainly comprised of uric acid and the green/brownish parts are comprised of fecal matter.


Related Questions

Part of an organism, possibly one or more bones, is referred to as the organism's __. will give brainlist

Answers

Answer:

Structure

Explanation:

Which resource is found in large quantities in China and is also imported into China from other countries?


tungsten


pearls


coal


timber

Answers

Answer:

Coal

Explanation:

China fulfills its demand for coal by purchasing it from regional neighbors. In 2017, its coal imports mainly came from Australia (79.9 million tons), Indonesia (35.2 million tons), Mongolia (33.5 million tons), and Russia (25.3 million tons).

Hope this helps

Have a great day!

Within a population of butterflies, the color brown (B) is dominant over the color white (b) and 32% of all butterflies are white. Given this simple information, which is something that is very likely to be on an exam (teehee), calculate the following:
1. The percentage of butterflies in the population that are homozygous dominant
2. The number of heterozygous butterflies if the population contained 4,216 individuals

Answers

Answer:

48% Heterozygous of the population, 12% Homozygous dominant size.

Explanation:  

Given the characteristics of its population,

Brown (B) predominates over white (b) color.

Recessive phenotype frequency (Q)= 40%= 0.4

According to the Hardy-Weinberg principle, the frequency is given by P and Q for a population with the dominant and recessive trait, where P+Q=1 preserves the equilibrium of the population allele.

So then, P = 1-Q

P=1-0.4=0.6

Heterozygotic butterflies = 2PQ

So, 2PQ= 2x0.6x0.4=0.48

That is, 48 percent of people are heterozygous

Homozygous dominant individual frequency = 1-(40 + 48) = 12 i.e. 12%

Answer:

C. 0.48

Explanation:

Drag the tiles to the correct boxes to complete the pairs.
Match the whorl fingerprint subclasses to their descriptions.

Answers

Answer:

A loop with a whorl: central pocket loop

Two loops with an s pattern: double loop

irregular shaped whorl: accidental loop

series of loops with a common center: plain loop

Explanation:

Ok I believe its: Loop with a whorl- plain, 2 loops with a S pattern- double loop, Series of loops with a common center- central pocket loop, and the Irregular-shaped whorl is a accidental loop. If I helped please mark brainliest!! :)

75 POINTS!!! One reason male peacocks spread their tail feathers is to attract a mate. How does choosing a male with a bright, full tail increase a peahen’s chance of producing healthy peachicks?

Answers

Answer:

They have greater health conditions

Explanation:

if they are bright, they are healthy

Answer:

Typically, if a peacock has a bright tail with many feathers and eyespots, a female will choose him. These tail features indicate that the peacock may be healthier than other males and, therefore, produce healthier peachicks.

Explanation:

This is the sample response.

which trait does the fly agaric and the palm have in common

Answers

For example, a gecko, fly agaric (fungus), and a palm tree all have cells with nuclei, but a gecko and fly agaric are both heterotrophic (making them more closely related) while a palm tree is a photosynthetic autotroph

The inner protective layer of the viral genetic information

Answers

Answer:

the capsid is the inner protective layer of the viral genetic information(rna)

explain the process (reflex action) that happens when you pull your arm away from an open flame. use steps to explain your answer. identify the receptor in the skin, the stimulus, the neurons,the effector(muscle) and the body's response to the stimulus.

Answers

Answer:

A reflex action is defined as an involuntary action of body in response to a stimulus, which protects the body from any harmful conditions including touching open flame.

A reflex action follows a sequence of action that helps in involuntary action, tha include the stimulus, receptor in the skin, the neurons (sensory, relay and motor neurons), the effector(muscle) and resposne of body to stimulus.

In the reflex action when a person pull his/her arm away from an open flame, the stimulus will be the hot flame that send a signal to the nervous system.

The sensory receptor found in the dermis or epidermis of skin called cutaneous receptors, senses the temperature change.

Then the sensory neuron comes in action which sends electrical impulses to a relay neuron (located in spinal cord) and relay neuron sends impulse to motor neuron.

Motor neuron sends that electrical impulses to a muscle which act as an effector which allows muscle to contracts to move hand away.

So, at the end the body resposnes to move hand aways from the open flame.

-. What are the two steps involved in the creation of proteins? Define
each. Which step is the job of the ribosomes?

Answers

Answer:

Explanation:

Protein synthesis is the process in which cells make proteins. It occurs in two stages: transcription and translation. Transcription is the transfer of genetic instructions in DNA to mRNA in the nucleus. In eukaryotic cells, transcription takes place in the nucleus.

I hope this helps! <3

(googles words, not mine)

Which of the following occurs during artificial cross pollination? A. A different plant species is used to pollinate another plant. B. The plants reproduce sexually by self pollination. C. The scientist completely controls the transfer of pollen from one flower to the stigma of another.

Answers

Answer:

c

Explanation:

its artificial= done by humans

During artificial cross-pollination, the scientist completely controls the transfer of pollen from one flower to the stigma of another.

What do you mean by Cross-pollination?

Cross-pollination may be defined as a type of pollination in which sperm-laden pollen grains are transferred from the cones or flowers of one plant to egg-bearing cones or flowers of another.

Any artificial thing requires the interference of human activity. This activity by human increase the chance of those who give better productivity in every aspect.

Therefore, during artificial cross-pollination, the scientist completely controls the transfer of pollen from one flower to the stigma of another.

To learn more about artificial cross-pollination, refer to the link:

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Study the diagram. What is forming in the diagram?A) a front. B) a hurricane. C) a thunderstorm. D) a tornado. (HURRY)

Answers

i’m gonna guess that’s it’s B but i have no idea

Answer:

Hurricane

Explanation:

Hurricanes form over the warm Atlantic ocean.

Hurricanes have a Low pressure center, which is known as the eye of a hurricane.

Which of the following statements about oxidative phosphorylation by ATP synthase is FALSE? A) The electrochemical gradient across the inner mitochondrial membrane generated by electron flow is used to synthesize ATP. B) Uncouplers dissipate the electrochemical gradient but electron transport continues without ATP production. C) Inhibitors disrupt electron flow as well as ATP synthesis. D) A proton gradient alone without a corresponding energy input is not sufficient to drive the synthesis of ATP. E) ATP synthesis occurs via simultaneous conformational changes in protein subunits containing catalytic sites.

Answers

Answer

D)A proton gradient alone without a corresponding energy input is not sufficient to drive the synthesis of ATP

Explanation:

Oxidative phosphorylation reffers to metabolic pathway whereby enzyme is used by the cell to achieve nutrient oxidation, so that chemical energy of molecular oxygen is released as a result of this, adenosine triphosphate (ATP) is manufactured. oxidative phosphorylation is seen in all organisms that are aerobic in nature and it occur in the mitochondria of all eukaryotic organisms. There is electron transfer during oxidative phosphorylation, the electrons moves from the donor to the receptor and this is known as redox reaction, as a result of this energy is released, and this energy is used for formation of ATP.

Therefore,among all the options, A proton gradient alone without a corresponding energy input is not sufficient to drive the synthesis of ATP is the false statement.

Suppose a goat has a homozygous dominant individual (AA) is crossed with an individual
that is heterozygous for the same trait (Aa). What are the possible genotypes of the offspring, and what percentage of the offspring is likely to show the dominant phenotype?

Answers

Answer:

100%

Explanation:

I found this answer by using a Punnet square.

When do the respiratory and circulatory systems work together?
O A. To promote digestion
O B. To stop bleeding
C. To fight infections
O D. To supply nutrients
SUBMIT

Answers

D to supply nutrients

How dose natural selection lead to evolution

Answers

Answer:

Naturally selected organisms will survive and reproduce better adapted to the environment. This indicates that this model organism's beneficial allles are passed to offspring. The selection cycle contributes to adaptation for several years.

Explanation:

Hope this helps.

What explains why populations fluctuate around the carrying capacity?

Answers

Answer:

In population ecology: Population fluctuation As stated above, populations rarely grow smoothly up to the carrying capacity and then remain there. Instead, fluctuations in population numbers, abundance, or density from one time step to the next are the norm.

The carrying capacity of an environment is the maximum population size of a biological species that can be sustained in that specific environment, given the food, habitat, water, and other resources available. In population ecology, carrying capacity is defined as the environment's maximal load, which is different from the concept of population equilibrium, which may be far below an environment's carrying capacity. The effect of carrying capacity on population dynamics may be modelled with a logistic function.

The populations fluctuate around its carrying capacity because it is very common even for a stable population to briefly exceed or dip below its carrying capacity.

The size of the population fluctuate due to some environmental factors, presence of predators, competitors etc.

Also reproductive lag time can also cause the population to exceed the carrying capacity temporarily.

What is carrying capacity?

The carrying capacity of an environment is the maximum population size of organisms that can be supported by the ecosystem, given the food, mates, shelters and other resources available.

What is reproductive lag time?

Reproductive lag time is the time required for birth rate to decline and the death rate to increase in response to resource limits.

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Plants and other producers make their food using photosynthesis
O
O
True
False

Answers

Answer:

True

Explanation:

Where is new ocean floor formed?​

Answers

Answer: Mid ocean ridges

Explanation:

Earth.

Answer:

Hey! New ocean floor is formed at mid-ocean ridges.

Explanation:

Which of these are characteristics of reptiles? Check all that apply.
They undergo internal fertilization.
Their urine is concentrated.
They use their skin for gas exchange.
They have two-chambered hearts.
They are covered in scales.

Answers

the answer is a,b and e

Reptiles are a class of vertebrates made up mostly of snakes, turtles, lizards, and crocodilians. The options (A), (B) and (E) are correct.

What are the characteristics of reptiles?

Reptiles, as most commonly defined are the animals in the class Reptilia, a paraphyletic grouping comprising all sauropsids except birds. Living reptiles comprise turtles, crocodilians, squamates and rhynchocephalians.

Moreover, the major groups of living reptiles—the turtles (order Testudines), tuatara (order Rhynchocephalia [Sphenodontida]), lizards and snakes (order Squamata), and crocodiles (order Crocodylia, or Crocodilia)—account for over 8,700 species.

Therefore, the name "reptile" comes from Latin and means "one who creeps". All living reptile species are cold blooded, have scaly skin, and lay cleidoic eggs. They excrete uric acid (instead of urea), and have a cloaca. A cloaca is a shared opening for the anus, urinary tract and reproductive ducts.

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2.In what way is the plant’s vascular system like ours?



3.How have scientist classified all plants?


4.Give 2 examples of non-vascular plants. (This will take a little extra research.)


5.List the 2 major vascular tissues of a plant and tell what they do.

1.


2.

6.List the reactants and products of photosynthesis?


Reactants:


Products:


7.Both plant and animal cells have organelles. What are organelles?



8.Which organelle is responsible for photosynthesis?



9.Why is it incorrect to say plants “breathe” Carbon dioxide (CO2)?

10.Where would you expect to find plant cell with a high number of chloroplast?



11.What are the stomata and why are they important to the plant?



12.What is the job of the guard cells?



13.The venus fly trap or the pitcher plant are still considered plants. Why do they “eat” insects?



14 Your friend thinks mistletoe is normal plant. How could you explain why it is NOT considered a “normal” plant?

Answers

Answer:

2.The human circular system does pretty much the

same thing as a plant but the plant can also reproduce oxygen. The

human needs air so does a plant to live and make more air. The

human needs food so does a plant to stay healthy. The human needs

to drink water to live too so does the plant to stay alive

otherwise it will rot and fall apart.

Explanation:

4. Is predation a density-dependent or density-independent factor?

Answers

Answer:

The correct answer is density-dependent factor.

Explanation:

The factors whose influences on the growth or size of the population changes with the density of the population are known as the density-dependent factors. The availability of food, disease, predation, and migration are some types of density-dependent limiting factors.  

One of the density-dependent factors in nature is predation, predation confines various populations. The population of the prey and the predator encircle towards each other, with the population of the predator somewhat lagging behind the population of the prey.  

With the increase in the population of the prey, the predator gets more to eat, and thus the population of the predator increases. With the increase in the predator population, pressure imparts on the prey population and it starts to decline. The decline in the availability of the food eventually makes the population of the predator to decline. Therefore, it can be seen that both the population of the prey and the predator are affected by predation, that is, a density-dependent factor.  

which species is the banana most closely related to?
lemon
onion
radish
seaweed

Answers

Answer:

onion

Explanation:

"Onions are most closely related to a) banana. Onions are part of the Amaryllidaceae family and bananas are part of the Musaceae family. They are both monocots, meaning the have one cotyledon, parallel leaf veins, and flower petals in multiples of three, among other distinctive characteristics. "

Answer:

Onions are most closely related to a) banana. Onions are part of the Amaryllidaceae family and bananas are part of the Musaceae family. They are both mono cots, meaning the have one cotyledon, parallel leaf veins, and flower petals in multiples of three, among other distinctive characteristics.

Hope this helps!

Please give as brainliest answer!!

Thanks!

Explanation:

What species does the mosquito belong to?

Answers

Answer:

Insects

Explanation:

Answer:

flies (order Diptera). Within Diptera they constitute the family Culicidae

Explanation:

g What basic characteristics do we generally expect to find in all things that qualify as being alive? Question 1 options: 1) an ability to: reason, make polymers and repair damage. 2) an ability to: reproduce, respond to stimuli and repair damage. 3) an ability to: avoid pain, move from one place to another and evolve. 4) an ability to: capture energy from sun light, move from one place to another and reshape its environment. 5) an ability to be more ordered than their surroundings, respond to stimuli, and capture energy from sunlight.

Answers

Answer:

Number 2: an ability to: reproduce, respond to stimuli and repair damage.

Explanation:

Some basic characteristics of all living things in general which they all have in common include:

The ability to reproduce (reproduction). All living things reproduce...

Ability to respond to stimuli (irritability)

Ability to repair damage: this is involved with cells in the organisms and to stay alive all organismsin general areade up of cells which has the ability to be repaired if damaged.

How is food moved through the gut?
a. By peristalsis c. By waves of liquid
b. By gravity
d. Movement​

Answers

Explanation:

a. By peristalsis

..................

Natural selection is an evolutionary mechanism by which

Answers

Answer:Natural selection is the differential survival and reproduction of individuals due to differences in phenotype. It is a key mechanism of evolution, the change in the heritable traits characteristic of a population over generations.

Natural selection is the natural act in which nature picks and chooses who lives and who dies.

A front refers to?HURRY

Answers

Answer:

A. Where to air masses meet

Explanation:

Answer:

A. the location where two air masses meet.

Explanation:

The equation AU = Q - W describes which one of the following?
O A. Second law of thermodynamics
O B. Efficiency of a heat engine
O C. Work done by a gas
O D. First law of thermodynamics
SUBMI

Answers

Answer:

D. First law of thermodynamics

Explanation:

The first law of thermodynamics refers that energy can be tranferred or changed form one form to another but it can neither be destroyed nor be created. hence, it is also known as law of conservation of energy.

The equation  ΔU = Q − W describes the first law of thermodynamics.

Where

U is the internl energy of the system.                                  ΔU is the change in U.                                                          Q refers to the total heat supplied into the system (include both addition and release of energy in the system).               W is the net work done by the system.

Hence, the correct option is D.

Answer:

Option D, First law of thermodynamics

Explanation:

The first law of thermodynamics states the following -

[tex]dU = Q-W[/tex]

where dU  represents the Heat added to the System

Q represents the Change in Internal Energy OR net heat transfer OR sum of all heat transferred into and out of the system

W represents the Work done on the system

The first law of thermodynamics is based on the application of the conservation of energy principle to heat and thermodynamic.  

hence, option D is correct

The codon, CAG, is being carried by a mRNA strand into the
cytoplasm. By using the Codon Chart, what amino acid will it code
for?

Answers

The answer is glutamine

Help with the picture

Answers

Bleaching I believe is the correct answer.
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Please help me any thing you can do just help me What is the author's opinion about the school hoursfrom 8:00 to 10:00 a.m.? Write the standard form of the line that passes through the given points. (-3,5) and (-2,-6) Given:CH4 + 2O2 CO2 + 2H2O, H = -890 kJ/molHow much energy is released when 59.7 grams of methane (CH4) reacts with oxygen?The combustion of 59.7 grams of methane releases ____ kilojoules of energy The product of Jack's age and Florence's age is 266. Jack is 14 yearsold. How old is Florence? Lyndon B. Johnson first worked as a ______________, which strongly influenced his views on segregation and government.a.Senatorb.teacherc.U.S. Navy fighter pilotd.political director 100 to anyone who can answer all of these !!! 2. Explain the advantages and disadvantages of using utilizing the different methods of procurement for each style of independentoperation and the multi-unit foodservice operation Find the missing angle measurements Can someone helpppppppppp What slows down heat energy from escaping the Earth? why are the group 17 elements the most reactive of the nonmetal elements a)they are the biggest elements b)they have the fewest electrons c)they are located on the farthest right side of the periodic table d)they require only one electron to fill their outer energy level I need some help!!!!!!!!! What is the value of s?units05815SD Please help Im dumb and my grade depends on this Choose the correct form of lequel to replace the following noun: le magasinlequellaquellelesquelslesquelles Which of the following describes a situation in which a surplus occurs? What Type of agriculture does Soto prefer? Which of these situations can be considered a binomial experiment?A.Drawing one marble from a bag containing 12 red and 8 blue marbles (replacing after each draw) until you have drawn 5 blue marblesB.Asking 25 students how tall they are and recording their answersC.Rolling a single number cube until you get a 5D.Tossing a coin 50 times and recording the number of times it lands on heads Which statement best describes liquid water and water vapor at equilibrium?A. Liquid water stops entering the gas phase.O B. The concentration of liquid water equals the concentration ofwater vapor.C. The concentrations of liquid water and water vapor are stable.D. The concentration of liquid water is zero. 2. Predict the oxygen level in a pond.A The amount of oxygen dissolved in the water stays pretty even over a one year period.B The water is too deep for plants to grow on the bottom, making it oxygen rich.C Oxygen levels are high in the summer while the sun is shining and plants arephotosynthesizing, but they can drop in the winter.D None of the above.