Answer:
hydropower has the ability to generate electricity without emitting greenhouse gases. however it can also cause environmental and social threats such as damaged wildlife habitat, harmful water quality, obstructed fish migration and diminished recreational benefits of rivers.
Which cell can survive without the help of other cells?
leaf cell
yeast cell
onion cell
muscle cell
Answer:
given below:
Explanation:
Q. A single cell organism can do everything a cell from a multi-cellular organism can do EXCEPT
answer choices
specialize
reproduce
use energy
make protein
Which of the following describes positive feedback?
Select one:
A. A loss of output from the body’s receptors.
B. The response of the body to increased temperatures.
C. An event that reduces the effects of a stimulus.
D. An event that enhances the original stimulus.
Which is all of the organisms found on earth and all of the areas in which they live
A. Ecosystem
B. Biome
C. Species
D. Biosphere
Answer
ecosystem
Explanation:
because a biome is s a collection of plants and animals that have common characteristics for the environment they exist in. They can be found over a range of continents. Biomes are distinct biological communities that have formed in response to a shared physical climate.
Answer:
Biosphere
Explanation:
I took the test and got it right. Hope this helps!
Which statement BEST describes the relationship between MPF and the cell cycle?
Answer:
Cyclin blinds with an enzyme to produce MPF cyclin and as its concentration rises, it promotes mitosis.
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I will mark you brainliest if i get the correct answer
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Answer: c is the answer
Explanation: it the answer because spud waves travel without the air u hear it
I believe it's A: the sound is reflected in the glass jar
What are two examples of plant adaptations
Answer:
For example, the seaweed is a plant adapted for its underwater environment. Cacti are adapted for the desert environment. And you might be familiar with the Venus fly trap plant that is adapted for living in soil that doesn't provide enough nutrients
Explanation:
Three brothers have blood types A, B, and O. What are the chances that the parents of these three will produce a fourth child
whose blood type is AB?
A) 100%
B) 25%
C) 50%
D) 0%
Which of the following is an example of a trace fossil?
fossilized teeth
fossilized dung
fossilized bone
cast of a shell
Answer:
B. Fossilized dung
Explanation:
Trace fossil- a fossil of a footprint, trail, burrow, or other trace of an animal rather than of the animal itself.
Which statement best describes the role of mRNA in protein synthesis?
Answer:
Copies the genetic code fro the DNA molecule and carries it to the ribosome.
Explanation:
The function of Mrna is to carry proteins from DNA to Ribosome
How have freshwater and salt water fish adapted to deal with osmosis in their respective environments?
Answer:
Salt water fish are perfectly adapted to their salty environment and need osmosis to live. The replacement fluid taken on to replace the lost water is desalinated by a process known as diffusion. Diffusion allows fish to live in a state of constant osmosis
Answer:
Salt water fish are perfectly adapted to their salty environment and need osmosis to live. The replacement fluid taken on to replace the lost water is desalinated by a process known as diffusion. Diffusion allows fish to live in a state of constant osmosis
Explanation:
Name two objects or products you use that likely
contain micro-organisms.
Answer:
Cheese
Bread
Pickles
Olives
Which of the following is the end result of meiosis II?
2 diploid cells with the same number of chromosomes as the parent cell
4 diploid cells with the same number of chromosomes as the parent cell
4 haploid cells with half the number of chromosomes as the parent cell
2 haploid cells with half the number of chromosomes as the parent cell
Answer:
I think it is not correct
Explanation:
Theresult of meiosis II is the formation of four unique cells, each carrying a new assortment of genes and chromosomes, and each with half the number of original chromosomes. ... The second cell division completes, resulting in four haploid cells or gametes.
The living organism found within an ecosystem
Answer:
The living organisms in an ecosystem can be divided into three categories: producers, consumers and decomposers. They are all important parts of an ecosystem. Producers are the green plants The third type of living organism in an ecosystem is the decomposers.
Explanation:
no
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It's hard to believe that forces and energies in space have an impact of events here on Earth. Scientists believe that the Sun is a huge influence on our planet. They have evidence to support their theories.
Can you pick out the statements that are true; statements that support the influence of the Sun on the Earth?
Spring tides are the largest tides due to the combined influence of the Sun and the Moon.
The sunspot cycle results in ice ages on Earth.
Solar flares disturb some radio communications here on Earth.
Geomagnetic storms on the Sun can damage to Earth-orbiting satellites.
The Sun's gravity is responsible for the planets' orbital path.
Answer:
the third one as I studied and knew.
A one-eyed purple people eater is crossed with a two
eyed purple people eater. All of their offspring have two
eyes. Which trait is dominant?
Answer:
The two eyed
Explanation:
Perennial plants in the genus Asclepias (milkweeds) contain compounds called cardiac glucosides (cardenolides) that can be toxic for animals. Monarch butterfly larvae feed on Asciepias sp. but are not harmed by the cardenolides. Instead these molecules accumulate in the tissues of the caterpillar and are present in the tissues of the adult butterfly. Because of these toxins in their tissues, Monarch butterflies are unpalatable to insectivorous birds. Another species of butterfly, the Viceroy, looks very similar to the Monarch in its bright coloration and distinctive patterning but was thought to lack a toxin. Because Monarch butterflies are toxic it was long thought that the similar appearance of nontoxic Viceroy butterflies was an example of:
Answer:
Batesian mimicry
Explanation:
Batesian mimicry refers to a form of biological resemblance by which a harmless prey species evolved in order to imitate another harmful species for a common predator, thereby increasing its chances of survival. This defensive behavior was described by Henry W. Bates, who made ecological observations of butterflies in the Brazilian rainforest. Thus, an innocuous species that show harmful signals against a predator will gain protection against this predator. Batesian mimicry is a type of mimicry that benefits from the predator's learned avoidance behavior.
The physical expression of an organism's genes is its:
Answer: phenotype
Explanation:
What conditions are necessary for rocks to melt?
Answer:
In explanation.
Explanation:
The rock is pulled down by movements in the earth's crust and gets hotter and hotter as it goes deeper. It takes temperatures between 600 and 1,300 degrees Celsius (1,100 and 2,400 degrees Fahrenheit) to melt a rock, turning it into a substance called magma (molten rock).
The rock can be melted when high pressure and high temperature are applied to it, and due to the compression relaxation, the rock melts. The different types of rocks need different temperatures.
What is the effect of temperature on different substances?Temperature plays an important roles in different substances, such as high and low temperatures, each with its own set of tasks. The high temperature can melt the solid substance into a liquid, and further heating converts the liquid into gas. Because of the high pressure and temperature in the earth's core, the rock is in a molten state, but when it comes out of the earth's core, after solidifying, it converts into solid rock. The low temperature converts the liquid into a solid, and food preservation is carried out by this process.
Hence, the rock can be melted when high pressure and high temperature are applied to it, and due to the compression relaxation, the rock melts.
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A father is heterozygous (AO) for his type A blood and a mother is heterozygous for her type B(BO) blood. What percentage of their offspring would you expect to have a child with O type blood?
Answer:
2 : 2 BO : OO
Explanation:
Children either have blood group B or O thus the probability of a child being either blood group B or O is 50%.
A valid scientific investigation must be able to be
Why are organisms classified into kingdoms, phylum, class, order, family, genus, and species?
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Which of the following is NOT a consequence of a stressed ecosystem?
A. Famine
B. Drought
C. War
D, Increased Population
Answer:
C
Explanation:
due to all the other questions come naturally that stresses the ecosytem
the body of fish is streamlined why
Blue flower is dominant to yellow flower. Tall plant is dominant to short. Cross BbTt * BbTt. What precenetage of the offsprings are expected to be heterozygous for both traits?
Answer:
The correct answer would be - 25%.
Explanation:
It is given that the Blue flower is dominant over the yellow flower which means Blue is represented by allele B here and allele b for yellow and Bb is a heterozygous case with a blue phenotypic character. Similarly, the Tall plant is dominant over short and represented by T and t respectively.
BbTt is a heterozygous condition and a cross with itself will produce :
Gametes: BT Bt bT and bt
BT Bt bT bt
BT BBTT BBTt BbTT BbTt
Bt BBTt BBtt BbTt Bbtt
bT BbTT BbTt bbTT bbTt
bt BbTt Bbtt bbTt bbtt
Here 4 out of 16 offspring are heterozygous for both traits represented by bold alphabets. Therefore the correct answer is 25%
what is the advantage of having large leaves like this in a rain forest?
A) to absorb water
B) to limit sunlight absorption
C) to maximize sunlight absorption
D) non of above
The stars appear to move across the sky every day, but
their paths change throughout the year. Here is a model of
the Sun-Earth system.
Based on the model, which three factors might cause this change in the
apparent movements of the stars?
Answer:
Earth's Revolution around the sun, The tilt of Earth's Axis, and Earth's rotation on its axis.
Explanation:
I have done this test
1. The Earth's revolution around the Sun: As the Earth revolves around the Sun, the stars appear to move across the sky each day. This is because the Earth is rotating on its axis, which causes the stars to appear to be moving from east to west.
2. The Earth's tilt: The tilt of the Earth's axis also has an effect on the apparent movement of the stars. As the Earth rotates around the Sun, the tilt of the Earth's axis changes throughout the year. This causes the stars to appear to move slightly differently at different times of the year.
3. The Precession of the Equinoxes: The precession of the equinoxes is the gradual wobble of the Earth's axis which takes place over thousands of years. This has an effect on the apparent movement of the stars, as the angle of the Earth's axis changes over time. This causes the stars to appear to move in a slightly different pattern than they did thousands of years ago.
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the specific physical location in which a given species lives is called its
a- community
b- abiotic factor
c- climate
d- habitat
Answer:
d
Explanation:
Where are solar panel farms built?
Answer: California
Explanation:
The first 1 MWp solar park was built by Arco Solar at Lugo near Hesperia, California at the end of 1982, followed in 1984 by a 5.2 MWp installation in Carrizo Plain.
Answer:
California
Explanation: Thats where the first one was built.
what atom is similar to H
Hunting reserves also support wildlife conservation.give reason
Answer:
. because wild life is a renewable natural resource
