Polyploidy is more common in plants than in animals. Why?
a. Animals reproduce sexually, plants do not.
b. Many plants can either self-fertilize or reproduce asexually, or both, but animals cannot.
c. Plants have more chromosomes than animals.
d. Plants have shorter life spans than do animals.
e. Animals are more complex than plants.
Answer: b. Many plants can either self-fertilize or reproduce asexually, or both, but animals cannot.
You might also like to view...
Goiter is a disease characterized by an enlarged thyroid gland and results from (check all that apply)
_____ iodine deficiency in the diet _____ reduced levels of T3 in the blood _____ reduced levels of T4 in the blood _____ excessive thyroid-stimulating hormone production _____ excessive parathyroid hormone production
Somatic system fibers in nerves carry information
a. to and from receptors. b. to and from effectors. c. from receptors in skin, tendons, and skeletal muscles. d. to skeletal muscles. e. from receptors in skin, tendons, and skeletal muscle and to skeletal muscles.
The carboxyl group can exist in an ionized form and also in a nonionized form
__________________ Indicate whether the statement is true or false.
Which of these provides a non-specific cellular immunity?
a) macrophages b) T lymphocytes c) B lymphocytes d) memory B cells e) b & c