_______ is the study of how species interact with their environment.
a) ecology
b) conservation biology
c) demographics
d) phylogeny
Ans: a) ecology
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What causes rigor mortis?
A) exhaustion of Ca2+ from the sarcoplasmic reticulum B) lack of ATP in dead tissue C) lack of acetylcholine (ACh) in dead tissue D) cessation of action potentials after death
For an organism reaching its biotic potential, the growth rate is characterized by a(n) ________ curve
Fill in the blank(s) with correct word
Gonadotropin-releasing hormone (GnRH)
A) is made by the ovaries. B) causes endometrial cells to multiply. C) is produced by the pituitary. D) is secreted when there is a high level of progesterone in the blood. E) stimulates the release of FSH and LH.
Which method of inserting DNA into cells is illustrated in Figure 8.1?
A. protoplast fusion B. injection C. electroporation D. a gene gun E. transduction