ACTUALLY, the correct choice is:
A.) They can interbreed and produce fertile offspring.(For future students seeking help)
(...Not sure why Brainly made that answer verified...)
The correct answer is option B. A and B only
Secondary immunodeficiency is a deficiency or defect in body's immune system.
10 common diseases that can cause a secondary immunodeficiency are:
leukemia
diabetes
skin cell diseases
burns
virus infection
lymphoid malignancy
nephrotic syndrome
neutropenia
human immunodeficiency virus
protein-calorie malnutrition
There is no known way to prevent inherited immunodeficiency disorders. but there is some ways to prevent infection like get enough sleep, keep clean, manage stress, eat right etc.
Fossils tell u if something has been there or not and u study it in some classes or jobs
Explanation:
animals near the top of the food chain are most affected because of a process called biomagnification.
