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Crazy boy [7]
3 years ago
14

The occurrence of large or small beak size among seed crackers in the absence of medium sized beaks is an example of

Biology
1 answer:
stepladder [879]3 years ago
6 0

Answer:

2) disruptive selection

Explanation:

Disruptive selection is a type of natural selection that acts against less fit heterozygotes. The disruptive selection can be represented by a decrease in the variance of a trait. In this case, the disruptive selection eliminates the medium-sized beaks, thereby favoring the extreme phenotypes in an interbreeding population.

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slava [35]

Answer:

The sea anemone and the clownfish live together in a type of symbiotic relationship called mutualism, where both species benefit from the other. The sea anemone offers the clownfish protection and leftover food

The anemone's tentacles provide the clownfish with protection from predators, while the clownfish chase away butterfly fish that would eat the anemone. ... Sea anemones can do very little to control the flow of water across their bodies, and they rely on local currents to bring in oxygen and nutrients.Clownfish perform an elaborate dance with an anemone before taking up residence, gently touching its tentacles with different parts of their bodies until they are acclimated to their host. A layer of mucus on the clownfish's skin makes it immune to the fish-eating anemone's lethal sting.Instead, both species have evolved behaviors that help them avoid being eaten while they graze for benthic algae. Butterflyfish typically swim in pairs near a particular clump of coral. ... An anemone robbed of its clownfish guards will quickly fall prey to the voracious butterflyfish.

8 0
3 years ago
Which most accurately describes the basis of the scientific method? A.) a path of clearly defined steps that must be followed in
Alex73 [517]

Answer:

d

Explanation:

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6 0
3 years ago
A 1-kg mass at the surface of Earth weighs 9.8 N, but the same 1-kg mass at the surface of the Moon weighs only
marusya05 [52]
The moon has less mass than Earth. Because it has less mass, it will therefore have less gravity and therefore the object will weigh less
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3 years ago
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Law Incorporation [45]
A: mouth for a primate
4 0
3 years ago
Question 1 Negative Forcings: increase the amount of sea ice at the north pole for instance. O increase the growing season. incr
Anna007 [38]

Answer:

increases the amount of energy in the Earth's budget.

Explanation:

Increase occurs in the amount of sea ice at the north pole leads to increases the amount of energy in the Earth's budget because this sea ice reflects the solar radiation back to space. Sea ice has a bright surface which causes 80 percent of the solar radiation reflected back into space. As sea ice melts in the summer, it exposes the dark ocean surface which leads the ocean to absorbs 90 percent of the sunlight which heat up the oceans, and increase in the temperature occurs causes more melting of ice so increasing sea ice is good for the earth.

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3 years ago
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