Which of the following is true of genetic variation? Question 5 options:

It will increase the occurrence of deleterious alleles and, eventually, extinction.

It creates a more resilient population that can survive more environmental pressures.

It will cause for a population to risk decline and extinction.

It will result in populations that are unable to respond to changes in the environment.

My question says on my assignment. read the following scenarios and decide which of the properties of life are being described. the first one is. katherine stopped on the way to school to grab some donuts. 2. because a dog cannot sweat, it has to pant in order to stay cool. 3. an elephant trun had no bone but 4,000 muscles. i have no idea what i am supposed to anwer. i can't find the answer in my notes or book that i can understand anyway

How do cells grow and reproduce to maintain homeostasis?

Donde se encuentra el adn nuclear en un organismo eucariota?