As the degree of environmental heterogeneity of a community increases, the number of plant and animal species tends to

A) decrease.
B) remain the same.
C) increase.
D) increase initially and then decrease.


C

Biology & Microbiology

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Sitting in the sun on a hot day, a dog starts to pant and finally gets up and moves into the

shade. These activities help the dog maintain a constant body temperature; thus, this is an example of what process found in all living organism?

a. energy acquisition b. reproduction c. homeostasis d. evolution

Biology & Microbiology

Which of the following genetic diseases involve defects in DNA repair, which affects cell division?

A. Gaucher disease and Werner syndrome B. Kearns-Sayre syndrome and progeria C. Progeria and Werner syndrome D. Gaucher disease and cystic fibrosis E. Progeria and Werner syndrome

Biology & Microbiology

How many chromosomes did you inherit from your father?

A) 2 B) 23 C) 24 D) 46

Biology & Microbiology

Which hormone prevents a seed released in the fall from germinating immediately?

A) auxins B) abscisic acid (ABA) C) gibberellins D) ethylene

Biology & Microbiology