Fungi and soil microorganisms provide ____ to ecosystems
a. provisioning services
b. regulating services
c. carbon sequestration
d. hybridization
e. support services
ANSWER: e
You might also like to view...
What is the primary cause of allopatric speciation?
a. Geographic separations b. Chromosomal abnormalities c. Limited natural resources d. Microevolution factors
Microspores mature into
a. ovules. b. seeds. c. pollen grains. d. megaspores. e. pollen sacs
Nitric oxide has what effect on systemic arterioles?
A) vasoconstriction and vasospasm B) vasospasm C) vasoconstriction D) neither vasodilation or vasoconstriction, but may cause vasospasm E) vasodilation
Recessive alleles seem to vanish in some generations and reappear in later generations because
a) they cannot be expressed in males. b) they are masked by a dominant allele. c) they cannot be expressed in females. d) they cannot be expressed in successive generations. e) they are lost by mutation.