Answer:
It basically means that, because of the drought certain foods will be unavailiable. the birds will have to start eating other foods and over time evolution will change their beaks so that the can eat the new food easier.
Explanation:
Answer:
Frequency of recessive allele 
Explanation:
Given -
Total Population size = 919
Number of individual with recessive genotype = 341
Frequency of recessive genotype

Frequency of recessive allele 
Hence, option C is correct
50, because even after evaporation, all of the salt is still in the beaker. It’s not like the salt stood up and walked away, it’s all still there.
Answer:
Adrenocorticotropic hormone (ACTH)
Explanation:
During stress condition, the pituitary gland located in the brain receives a stimulatory signal from the hypothalamus and releases the Adrenocorticotropic hormone
.
The Adrenocorticotropic circulate in the brain and when reaches the adrenal gland causes the release of the cortisol and the epinephrine or adrenaline from the adrenal gland cortex.
These two hormones along with norepinephrine acts in the adrenergic receptors and produces the stress response or fight or flight response.
Thus, Adrenocorticotropic hormone is the correct answer.
From what I understood, the answer is 2a (: