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dimaraw [331]
3 years ago
7

African cichlids are a group of closely related fish species. There are at least 500 known species living in three small lakes.

Over time, specialized teeth and body colorations have evolved for each species in response to mutations and competition for food and mates. This change over time is an example of
Biology
2 answers:
Luda [366]3 years ago
4 0
D). adaptive radiation, is the answer.
Readme [11.4K]3 years ago
3 0
The correct answer that would best complete the given statement above would be the term ADAPTIVE RADIATION. African cichlids are a group of closely related fish species. There are at least 500 known species living in three small lakes. Over time, specialized teeth and body colorations have evolved for each species in response to mutations and competition for food and mates. This change over time is an example of ADAPTIVE RADIATION. Adaptive radiation by definition, is <span>the diversification of a group of organisms into forms filling different ecological niches.</span>
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All weather is energy in motion. Where does this energy come from?
icang [17]

Answer:

Energy makes it all happen. The Sun radiates huge amounts of energy. Only a small portion of that energy hits the Earth, but it is enough to light our days, heat our air and land, and create weather systems over the oceans. Most of the energy you will learn about comes from the Sun.

Explanation:

Brainliest please?

8 0
3 years ago
A rock sample has a mass of 16 grams and a volume of 8 cubic centimeters. When the rock is cut in half, what is the volume and d
spayn [35]

Answer:

Volume= 4 cm³

Density= 2 g/cm³

Explanation:

We have the following data:

volume= V= 8 cm³

mass= m= 16 g

The density is the mass per volume of a substance, so the density of the rock is:

density= d= 16 g/8 cm³= 2 g/cm³

When we cut the rock in half, we have a half volume and a half mass:

V= 8 cm³/2= 4 cm³

m= 16 g/2= 8 g

But the density is not altered because it is an intrisic property - it does not change with the amount of subtance. Thus, the density of a half rock is:

d = m/V= 8 g/4 cm³= 2 g/cm³

6 0
3 years ago
State one reason that the population of mountain lions is smaller than the population of other animals in the food web
kicyunya [14]

Mountain lions/highest trophic levels receives less energy as energy is lost at each level/mountain lions are larger than most animals and require (smaller) individuals for food.

8 0
3 years ago
Which of the following is the most cost effective source of energy?
elena55 [62]

Answer: Fossil Fuels

Explanation:

8 0
3 years ago
Read 2 more answers
Read the scenario. Jake and Pari are completing a biology assignment. One of the questions asks them to determine the base amoun
postnew [5]

Answer:

There should be 10% thymine

Explanation:

DNA bases come in specific pairs. Guanine pairs up with cytosine and adenine pairs up with Thymine.

According to the problem the DNA sample was 40% cytosine and 40% guanine, so this is correct, there are equal amounts of cytosine and guanine. Now Thymine needs to have equal amounts as adenine, but adenine only has 10%.

If we match up the amount of adenine to thymine, we would have 15% adenine and 15% thymine, but that would excede 100%. So you need to match the thymine to adenine.

10% adenine + 10 % thymine + 40% cytosine + 40% guanine = 100%

4 0
3 years ago
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