Answer:
The big cause in the extinction of many terrestrial vertebrates species is the hunting while the second cause is the habitat change. ... Hence if the habitat change, they are unable to survive and their population size will decrease.
Explanation:
<h2>Answer:</h2>
Following are the four combinations of active or inactive regulatory proteins that could be present anytime in the cell:
- Active repressor , Active activator
- Active repressor, Inactive activator
- Inactive repressor, Active activator
- Inactive repressor, Inactive activator
Answer:
The correct answer would be : b. water.
Explanation:
A renewable resources is the resource that can be replenished or recycled by natural processes within hours to centuries unless it is not use faster than time it takes to renew.
Such resources include grasses, fresh water in lakes, animals, trees, ground water, air and fertile soil and many more resources. Carbon, solar energy and natural gases are non renewable resources.
Thus, the correct answer would be : b. water.
This is associative learning.
The reactions of George and Ken are based on when they are startled. George will learn to associate his sister's crying with him being startled because it happens every time his sister cries.
Whereas Ken will not know when his sister will cry or when he will be startled by the crying so this has no affect on Ken.
Hence, crying will affect George but not Ken.