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mr_godi [17]
3 years ago
14

How does human activity affect earths freash water resources

Biology
1 answer:
Nikolay [14]3 years ago
3 0

Answer:

People throw their trash and pollution into the fresh water and make it not as fresh or safe to the animals as much as it could be.

Explanation:

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An average number of eggs a bird lays is based on natural selection. If a bird lays too many eggs, there a high chance that she
mr_godi [17]

The correct answer is stabilizing selection.

Stabilizing selection is a kind of natural selection in which the mean of the population steadies on a specific non-extreme trait value. This is considered to be the most general process of action for natural selection as the majority of the traits do not seem to vary radically with time.

Stabilizing selection is the reverse of disruptive selection. In spite of preferring individuals with extreme phenotypes, it favors the transitional variants. Stabilizing selection seems to eradicate the more extreme phenotypes, resulting in the reproductive success of the average or norm phenotypes.

This signifies that the most general phenotype in the population is chosen and continues to govern in the coming generations. As the majority of the traits vary slightly with time, stabilizing selection is considered to be the most usual kind of selection in the majority of the populations.


7 0
3 years ago
I don't understand this!
sattari [20]
Each on diverged from the common ancestor and has its own accumulated mutations. If they have six differences each it would be 10,000 years per one mistake giving you a total of 60,000 years ago. 
7 0
3 years ago
Read 2 more answers
A dog eats a pound of dog food. What happens to the energy and chemical nutrients in the food over the next several days?
Black_prince [1.1K]

Answer:

The energy is mostly released as heat through the dog's activities; the nutrients either become part of the dog's body or are released to the ecosystem as wastes like urine, feces, and exhaled gases.

Explanation:

  • The food that is consumed by an organism is digested and the nutrients obtained from the food are partly absorbed by the digestive system and assimilated and stored into the body and the nutrients that are not absorbed are released in the form of feces.
  • The chemical energy obtained from the food is released in the form of heat through the activities that are done by the dog.
3 0
3 years ago
Which of the following is true of the bones of the forearm?
Elza [17]

Answer: b. The radius forms the point of the elbow

c. The radius articulates to the wrist closest to the thumb

Explanation:

Ulna and radius are the two bones of the forearm. These bones articulates with the humerus and carpels of the hand.

b. The radius forms the point of the elbow: The elbow joint is the hinge joint that forms between the proximal ends of the radius and ulna in the forearm and distal ends of the humerus. The radius forms a pointed end.

c. The radius articulates to the wrist closest to the thumb: The wrist forms a complex joint. It forms a transition between the hand and the forearm. The radial deviation in the wrist forms the basis for the movement of the tilting of the wrist joint towards the thumb.

8 0
3 years ago
Trey and Connie were raising pigs for their 4-H project. The students fed their piglets a variation of two feeds: wheat and corn
Yanka [14]

Answer:

Trying to use the Scientific Method.

Explanation:

These two students are trying to make a experiment on these pigs they are raising. The reason why it is more like to attract the scientific method is because the steps were doing were based on it. (For example, they both might form a question and try different types of things to raise a pig)

Hope this helps, and have a wonderful day!!!

3 0
3 years ago
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