Suggest one advantage and one disadvantage of
using a dichotomous key to identify something.​

Answers

Answer 1
Advantage: Dichotomous keys are very useful because they allow non-expert users to identify organisms by directing them to look at the known, important organisms. Disadvantage: Disadvantage of dichotomous keys is that if a single wrong decision is made at any juncture, a wrong identification will result. Sometimes it becomes obvious that an error has been made, and you can retrace your steps until you get back on the right track, but this is not always the case

Related Questions

What climate conditions occur during La Niña?
O stronger prevailing winds and more hurricane activity
O warmer Pacific waters and warmer winters
O more hurricane activity and warmer Pacific waters
warmer winters and stronger prevailing winds

Answers

Answer:

Stronger prevailing winds and more hurricane activity .

Answer:

A: stronger prevailing winds and more hurricane activity

Explanation:

Just took Edge 2021 test

50 years ago people were much more willing to get vaccines for diseases like polio, measles, and pertussis. Why are people more afraid to get them today?

Answers

People are more afraid to get them today because of the side affects they might cause.

In order to extract DNA from strawberry cells, what will need to happen at the cellular level?

Answers

Answer:

Tiene que romperse la membrana plasmática para poder acceder al núcleo de la célula y posteriormente romperse también la membrana nuclear para dejar libre al ADN

Explanation:

Demonstrate the process of osmosis in a living plant material

Answers

Answer:

To demonstrate osmosis by this experiment an egg is taken. On the pointed side of the egg a small hole is formed and all the white and yellow matter of the egg is taken out through this hole. Now the empty egg is placed in the dilute solution of hydrochloric acid (HCl), so that the hard shell of the egg constituted of calcium carbonate is dissolved in it

Explanation:

.

You are comparing the density of sea water to the density of fresh water. (Remember,
density is mass divided by volume.) Describe how you could determine the density of
sea water, including the names of the equipment needed to make the required
measurements.

Answers

Answer:

To know and compare the difference between the density of the fresh water and salt water or sea water require a graduated cylinder, balance, and weighing machine. The graduated cylinders are the containers that have markings on them to measure the volume of the liquid.

First, fill the cylinder with 1000 ml of fresh water which is the measure of the volume. now weight the cylinder filled with the fresh water and then find the difference between filled and empty container divide the mass of the fresh water by its volume, the result is the density of fresh water.

Repeat the process with salt water or sea water. The answer would be sea water has more density than fresh water.

. The small fish are not affected by the pesticide, but death occurs in the bird, at the top of the food chain. Why do you think that happens?

Answers


Small fish absorb minute amounts of pesticides.

The birds of prey consume many fish to satisfy their dietary needs. The pesticides accumulate and concentrate in the bird, continued exposure overwhelm the predator.


A pink snapdragon is crossed to a white snapdragon. What is the probability of getting a red snap dragon

Answers

Answer:

0%

Explanation:

Hope this helped! ^^

While looking at a cell under a microscope, a scientist is able to see a biological molecule. This molecule is a nuclei acid with double strands and contains the nitrogenous bases adenine, thymine, cytosine, and guanine. Based on the information, what conclusion can the scientist draw regarding this nuclei acid?

A. the nuclei acid is DNA and would be found in the cytoplasm.
B. the nuclei acid is DNA and would be found in the cells membrane.

Answers

The answer would be a or be

Buildings built to remain standing during an earthquake are said to be
earthquake proof.
Type here to search
BH
Desktop
1:33 AM
1/15/2021
True or false

Answers

Answer:

True.

Explanation:

Earthquake proof buildings are those which have the ability to stand during an earthquake. Shock absorbers that is present between the building and the ground motion, able the building to remain upright during an earthquake. The shock absorbers has the ability to absorb all the disturbance produced in the building and for that purpose the building is safe.

1 point
This picture shows a cross-section of a blood vessel. The diameter of the
lumen in Figure 10 is 25.0 mm. What is the actual diameter of the lumen of
this blood vessel?
lumen
magnification X8
3.1 x 10-2m
3.1 x 10-3 m
O 2.0 x 10-2 m
2.0 x 10-3 m

Answers

Answer:

B. 3.12 x [tex]10^{-3}[/tex] m

Explanation:

From the given picture, it can be deduced that;

the diameter of the image of lumen = 25.0 mm

                                                      = 25.0 ÷ 1000

                                                      = 0.025 m

And,

magnification = [tex]\frac{diameter of the image of lumen}{actual diameter of lumen}[/tex]

But magnification = 8,and diameter of the image of lumen = 0.025 m.

So that;

8 = [tex]\frac{0.025}{actual diameter of lumen}[/tex]

⇒ actual diameter of lumen = [tex]\frac{0.025}{8}[/tex]

                         = 0.003125

Actual diameter of lumen of the blood vessel is 3.12 x [tex]10^{-3}[/tex] m.

PLEASE HURRY AND ANSWER ILL GIVE BRAINLIEST JUST PLEASE HELPPPP

Every___ years the Sun goes through a period during which it emits
more energy than normal, and produces sun spots and solar flares. *
O 11 years
0 20 years
O 7 years
O 1 year
O Other:

Answers

Answer:

11 years

Explanation:

thats the time it takes for a full solar cycle

answer: 11 years!

Explanation: the complete solar cycle is 11 years. This is when the suns magnetic field completely flips. It takes 11 years for them to flip back. When this happens, energy is emitted.

As a frog develops from a tadpole into an adult frog, it goes through changes that are signaled by hormones within the body. Which best describes the role hormones play in changing a tadpole to a frog?

Answers

Answer: In amphibians, metamorphosis is generally associated with the changes that prepare an aquatic organism for a primarily terrestrial existence In  (frogs and toads), the metamorphic changes are more dramatic, and almost every organ is subject to modification Regressive changes include the loss of the tadpole's teeth and internal gills, as well as the destruction of the tail. At the same time, constructive processes such as limb development  are also evident. The means of locomotion changes as the paddle tail recedes while the hind limbs and forelimbs develop. The tadpole's cartilaginous skull is replaced by the predominantly bony skull of the frog. The teeth used for tearing pond plants disappear as the mouth and jaw take a new shape, and the tongue muscle develops. Meanwhile, the large intestine characteristic of herbivores shortens to suit the more carnivorous diet of the adult frog. The gills regress, and the gill arches degenerate. The lungs enlarge, and muscles and cartilage develop for pumping air in and out of the lungs. The sensory apparatus changes, too, as the lateral line system of the tadpole degenerates, and the eye and ear undergo further differentiation The middle ear develops, as does the tympanic membrane characteristic of frog and toad outer ears. In the eye, both ingratiating membranes and eyelids emerge.

pls mark me as brainliest

Large cells have more volume on the inside and less space on the outside. (Compared to a smaller cell) Because of this, large cells have trouble;

A) dividing
B) producing daughter cells
C) moving materials in and waste products out
D) making copies of their DNA


Heeeeeellppp plzzzz

Answers

Answer:

C. They have trouble moving materials in and waste products out

Which organelle is generally larger in plant cells than in animal cells?
A mitochondrion
B. nucleus
C. ribosome
D. vacuole

Answers

Answer: D. VACUOLE

Explanation:

Answer:

D

Explanation:

NS
What are magnetic field lines?
A. Lines that show the shape of a
magnetic field
B. Lines that show the path of electrons
C. Lines that show aligned atoms

Answers

Answer:

A

Explanation:

Magnetic field lines are a visual tool used to represent magnetic fields. They describe the direction of the magnetic force on a north monopole at any given position. The density of the lines indicates the magnitude of the field.

3. Which is an example of genetic biodiversity?
a. Different skin color within a species
b. Different types of species in an ecosystem
C. Every organism has the same genetic sequence
d. All populations look identical within a species

Answers

Answer:

A

Explanation:

Has to be the same family to be genetic and you have to find which has the most variety

Different skin color within a species is an example of genetic biodiversity. Therefore, option (A) is correct.

What is genetic biodiversity?

Genetic biodiversity refers to the variety of genes and genetic traits that exist within a population or species. It is a fundamental aspect of biodiversity, as it underpins the ability of species to adapt to changing environmental conditions and to maintain resilience in the face of threats such as disease, climate change, and habitat loss.

Genetic biodiversity arises from mutations, genetic recombination, and other processes that generate new genetic variation within populations. This diversity provides the raw material for natural selection to act upon, allowing organisms with advantageous traits to survive and reproduce.

Genetic biodiversity is important for ecosystem functioning and for the conservation of species, as it helps to ensure that populations are able to adapt to changing conditions and maintain their long-term viability. The loss of genetic biodiversity can have significant negative impacts on populations and ecosystems, making it an important focus of conservation efforts.

Learn more about genetic biodiversity, here:

https://brainly.com/question/26770293

#SPJ2

Which best describes the pathway of energy in a food web

Answers

Answer:

Food web is an important conceptual tool for illustrating the feeding relationships among species within a community, revealing species interactions and community structure,and understanding the dynamics of energy transfer in an ecosystem.

The __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ carries low oxygen blood to the lungs and brings high oxygen blood back to the heart.

Answers

Answer:

Pulmonary blood vessel

Explanation:

The pulmonary blood vessel carries low oxygen blood to the lungs and brings high oxygen blood back to the heart.

More specifically, the pulmonary artery carries low-oxygen blood to the lung from the right ventricle of the heart. The blood becomes oxygenated in the lung and the oxygen-rich blood is taken back to the left atrium of the heart by the pulmonary vein.

3. Which of the following is an organelle?
(2 Points)
Mitochodria
DNA
Phospholipid
Nucleus

Answers

Answer:

mitochondria and nucleus

I also agree I think it’s Nucleus and Mitochondria

match the following DNA strand to is complementary strand of RNA TTC-CCA-GAT-TTT​

Answers

Answer:

okay I think it's

AAG - GGU - CUA - AAA

sorry if wrong ;)

what may happen to the body when exposed to an infection?

A. your body responds by functioning normally
B. the body gets a surge of energy causing a slight increase in body temperature and you feel great
C. your body responds by raising the core body temperature causing a fever.
D. nothing happens when the human body is exposed to an infection

Answers

Answer:

C

Explanation:

When an infection is caused the body usually responds in several ways, one way being fever hence flu's and colds

Which of the pair of terms is not related?
Fat-lipid
Starch-carbohydrate
Starch-nucleic acid
Sugar-carbohydrates

Answers

Answer:

starch nucleic acids uwu

Explanation:

Starch - nucleic acid. Nucleic acids are the macromolecules of nucleotides!

What factor drives surface ocean currents

Answers

pull of the moon(is it select all that apply?)

Solar energy

Explanation:

Large-scale surface ocean currents are driven by global wind systems that are fueled by energy of the sun. :)

What are some benefits to evolutionary adaptations?

Answers

Answer:

1.A new species

2.Adding to world population

3.More to learn

Explanation:

As mountains are worn down, the eroded metamorphism is deposited
on adjacent landscapes
A: True
B: False

Answers

Answer:

I believe it is true

Explanation:

but im not 100% sure

Im not sure if anyone knows this or not.
Can someone please help me with 1 and 2! If u r correct ill mark u was the best answer

Answers

I'm pretty sure the answer to 1 is A, but I know for a fact that soil contains microorganisms and microbes.

The answer to question 2 is D (Porosity)

Describe what happens to water particles when ice metls.

Answers

Answer:Ice melts when heat energy causes the molecules to move faster, breaking the hydrogen bonds between molecules to form liquid water. In the melting process, the water molecules actually absorb energy.

Explanation:

What he said ^^
I’m pretty sure that’s right so yeah

Does anybody know how I can get these answers ?

Answers

try socratic ! it helps a lot:)
^^ yes! it always helps me find correct answers

(Urgent please answer!!) What molecule holds the code for controlling what a cell does

Answers

I believe it's DNA, or deoxyribonucleic acid.

PLEAe help mE ASAP ASAP

Answers

organ system is the answer
Organ system is answer
Other Questions
Write one sentence that contain past tense Please! Help! Me!The next question refers to the following passage. The sentences have been numbered to help you identify them more easily.(1) As she was driving to visit her twin, Jayla had a strange feeling that something bad was going to happen.(2) Meanwhile, Kayla had the same exact premonition.(3) Worried about her sister, Kayla called Jayla's cell phone.(4) Because she took her eyes off the road to answer the phone call, Jayla lost control of her car and crashed through the front of Kayla's house.What is the function of the introductory word in sentence 2? a. It refers to the person being addressed.b. It is a transition word.c. It provides a short answer.d. It creates a short delay. The following stemplot displays the number of forest fires (the stem is in tens of thousands) that occurred each year over the period from 1980 to 2012.4 | 0244778895 | 0012222344778886 | 023787 | 348How many data values are in this data set? wilbur has sold 100, 42,87, and 66 appliances in the last four months, respectively. How many appliances will he need to sell this month to maintain an average of at least 72 sales per month? f(x)=3x-5 please help :> An alpha particle has the same composition as a A) hydrogen nucleus B) deuterium nucleus C) beryllium nucleus D) helium nucleus Arianna buys computer games from an online store. Each game she orders costs $25, and shipping for her total order is $10. Arianna wants to spend $110. How many computer games can Arianna buy? Create an equation for the problem here. Ancient Greeks created works that expressed the ideals of a form, beauty, and harmony b beauty, reason, and balance c reason, balance, and harmony d harmony, balance, and beauty An increase in aurora activity on Earth could be related to what activity on the Sun?O A decrease in prominenceB decrease in solar FaresOc decrease in speed of solar windD increase in speed of solar windE increase in sun spots Why is it important that charters and ordinances do not violate state and federal laws? Which professional has helped Jennifer in this example?Jennifer bought a new smart phone from a local store that sells electronic products. After a week, she started experiencing problems with thephone's display screen. She went back to the store and spoke to its ___representative, who replaced the product andapologized for the inconvenience. How did the inclusion of of these words In the declaration point to a new philosophy of governing? Please please help me!!!! Contrast Donnie's theme of love and trust in comparising with reality Pagec) Explain the basic Elements of state in brief.-- What is the sum or difference of 10 + (-11) + 5 + (-5)? A ball falls from a towera) The two forces acting on the tennis ball are equal and opposite. What is the resultant force?acting on the ball I WILL GIVE BRAINLIEST Find the value of 42 + 6 2 A city received 2 inches of rain each day for three days The meterorologist said that is the rain had been snow each inch of rain would have been 10 inches of snow How much snow would that city have received in the three days