Competition for resources is a density-independent factor affecting a population
Indicate whether the statement is true or false
FALSE
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The first land plants were bryophytes, which then branched into ferns, gymnosperms, and finally angiosperms. What advantage did angiosperms have over gymnosperms?
a. Angiosperms can produce flowers and fruits to aid in seed dispersal b. Angiosperms produce pollen and do not require water to reproduce c. Angiosperms go through alternation of generations d. Angiosperms have a vascular system, this allowed them to grow taller e. The angiosperms can produce spores which are more stable than seeds from gymnosperms
Which of the following is a similarity between photosynthesis and respiration?
a. Neither is a metabolic process. b. They are both metabolic processes. c. Neither is an anabolic process. d. They are both mainly anabolic processes.
In order for an enzyme to do its job, the substrate must fit into the
A. coenzyme. B. repressor site. C. active site. D. substrate complex.
The only marsupial mammal living in North America is the
A. weasel. B. raccoon. C. wombat. D. opossum. E. ring-tailed cat.