The biomass of _______________, if they were all collected, dried out, and weighed, exceeds that of all the plants and animals on earth.
a) bacteria
b) mites
c) nematodes
d) archaea
e) insects
Ans: a) bacteria
You might also like to view...
Embryonic development begins with a single egg fertilized by a single sperm forming a zygote. The
zygote then undergoes mitosis; how many cells would be present at the conclusion of 4 mitotic divisions?
a. 2 b. 4 c. 8 d. 16 e. 32
The work of Reznick and Endler with guppies
shows all of the following EXCEPT that a. life history traits can be inherited. b. life history traits evolve. c. life history traits can be altered over a short period of time. d. predation does not influence the modification of life history traits. e. life history traits are coded for in DNA.
What is the difference between endocrine and exocrine glands?
a. Endocrine glands are discrete structures, while exocrine glands may be specialized cells in other tissues. b. Exocrine glands produce hormones, while endocrine glands do not. c. Endocrine glands only affect cells in the immediate area, while exocrine glands do not. d. Endocrine glands secrete into the interstitial fluid, while exocrine glands release secretions into ducts. e. Exocrine glands secrete neurohormones, while endocrine glands do not.
Nourishment is provided to a primary oocyte via which one of the following?
A) the endometrium layer in the uterus B) the afferent capillaries C) the zona pellucida D) the cervical plug E) a layer of granulosa cells