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Naddika [18.5K]
2 years ago
5

Awncer this question​

Biology
1 answer:
mojhsa [17]2 years ago
8 0

Answer:

x is the sebaceous gland and y is the capillary.

I hope this helps

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Which of the following was the KEYSTONE SPECIES of the food web?
sammy [17]

Answer:

A

Explanation:

well i guess it also depends on what environment you are talking about too

5 0
2 years ago
Because of genetic variation, a species of beetle has two different body colors, red and green. This species exists in a grassy
pshichka [43]

Answer:

1. Green beetles and red beetles exist in the environment.

2. Birds that eat the beetles move into the environment.

3. Red beetles are eaten by birds, but green beetles aren’t eaten.

4. Green beetles pass on their color trait to future offspring.

5. The entire population of beetles eventually becomes green in color.

Explanation:

According to the theory of natural selection, only those species survives which fits closely with their environment. According to the conditions given, there are two genetic variations of the same species based on the color, i.e. green and red. Initially, both red and green are living together in a grassland (green in color). Then, birds enter the same environment because they have food there (beetles). Now, green beetles will take a competitive advantage because of the color and avoid getting eaten by the birds. However, red beetles would be prominent and eaten fast. The green beetles will pass on their genetic variation causing the color to be green in their future offspring and a time will come when there will be on green beetles in the area.

5 0
3 years ago
What is the Law of DNA cloning?
Iteru [2.4K]

Answer:

The replication of a human being through the production of a precise genetic copy of nuclear human DNA or any other human molecule, cell, or tissue in order to create a new human being or to allow development beyond an embryo.

Explanation:

4 0
2 years ago
Give 2 ways in which the products of anaerobic respiration in yeast are useful to humans,
Charra [1.4K]

Anaerobic respiration in yeast (Saccharomyces cervisae) is also called alcoholic fermentation

C6H12O6--->2C2H5O+2CO2

Ethanol can be used as a disinfectant.

Ethanol can also be present in beverages.

6 0
3 years ago
Read 2 more answers
Find the kinetic energy of a ball of mass 200 grams moving at a speed of 20m/s​
Gelneren [198K]
We have a mass of 200g (0.2kg) moving at 20m/s

Kinetic Energy KE = ½ mv^2 where m is mass and v is velocity

Actually, v is a vector quantity, so KE = ½ mv•v

The dot product of 2 vectors a and b is abCosθ where θ is the angle between the vectors.

Obviously v•v = v^2 Cos0 = v^2

In this case, we have KE = ½ (0.2)(20^2) = 40kg-m^2/s^2 = 40J

So we have kinetic energy in the amount of 40 Joules.
4 0
2 years ago
Read 2 more answers
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