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just olya [345]
3 years ago
11

If plants are watered,then growth height will increase What is the control group

Biology
1 answer:
Viefleur [7K]3 years ago
3 0

A control group is a group separated from the rest of the experiment such that the independent variable being tested cannot influence the results. This isolates the independent variable's effects on the experiment and can help rule out alternative explanations of the experimental results

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List all the things that you can think of that go into the child.
olga2289 [7]
Bottle, pampers, binky (pacifier), milk
7 0
3 years ago
Two frog populations (same species) living in two neighboring lakes sing slightly different courtship songs. Increased irrigatio
dedylja [7]

Answer:

C. The songs will become more similar to each other.

Explanation:

To answer this question, first, you need to remember that both populations belong to the same species, so they can mate because there is no reproductive barrier. The only limiting physical factor impeding individuals of both groups to cross was the piece of land before the land got wetter. So once populations got together, individuals can easily mate.

One population´s males exhibit a courtship song that slightly differs from the one of the other group. This difference has a genetic basis. But females hardly notice the difference. All of them prefer loud frogs to quieter frogs, independently of the population to which they belong.

So when the two populations get together, individuals get mixed. Females do not recognize males of their group, and during the breeding season, all females will mate the most with louder males of any of the population. So females from population A might mate with males from population B, and females from population B might mate with males from population A. So after mating season, there is also a genetic mixture between populations.

The new generations will carry elements of both genotypes. So males´ songs will be even more similar to each other. Songs will become more similar to each other because individuals of both populations are mixed and mated, and their genes intercrossed, producing new individuals with genes of both populations.

8 0
3 years ago
In a plant, red flower color is incompletely dominant over yellow. What will the distribution of flowers in the F2 hybrids be if
Simora [160]
A Punnett square would help here. 

Let's say (R) is dominant red and (r) is recessive red, aka yellow. 

You start with F1 hybrid flowers that are all (Rr) - these are all <em>orange</em>. So when they reproduce, both parents are (Rr). When you create a Punnett square, you'll see that the results for the F2 generation are (RR), (rr), and (Rr) twice. 

(RR) is red, (rr) is yellow, and (Rr) is orange, just like the F1 generation.
3 0
3 years ago
Which of the following statements about genetic drift and population size is FALSE?
Yuki888 [10]

Answer:

D

Explanation:

the smaller the population the less likely genetic drift is

6 0
3 years ago
Which diagram best represents the cycling of respiratory and photosynthetic gases in green
Sedbober [7]

Answer:

The correct answer is - option D.

Explanation:

In algae or any other photosynthetic organism, there is the internalization of carbon dioxide gas in the reaction with water in the presence of sunlight to produce sugar molecules and oxygen gas in the atmosphere. So, photosynthesis is the process that releases or produces oxygen gas.

In cellular respiration (aerobic) the product of photosynthesis, glucose molecules, and oxygen react to produce the energy and releases carbon dioxide and water as byproducts.

So, the correct answer is - option D.

6 0
3 years ago
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