Which of the following is human's closest living relative?
A) Gibbons
B) Gorillas
C) Chimpanzees
D) Baboons
C
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All steroids have ____
a. the same number of double bonds b. double bonds in the same positions c. four carbon rings d. the same functional groups e. the same number and positions of double bonds
If red (RR) is crossed with white (rr) and produces a
pink flower (Rr), and tall (D) is dominant to dwarf (d), the F2 phenotypic ratio from a cross of RR dd with rr DD would be a. 9:3:3:1. b. 1:1:1:1. c. 1:2:2:4:1:2:1:2:1. d. 3:6:3:1:2:1. e. none of these.
Which of the following statements about biological clocks is false?
a. They are limited to vertebrates. b. They are regulated by clock proteins that act both within and outside the nervous system. c. They have complex feedback loops. d. They are controlled by genes. e. They are capable of sustaining biological rhythms independently of environmental cues.
________ are organisms such as earthworms, millipedes, and other scavengers that eat waste products and dead organic matter
Fill in the blank(s) with correct word