Which pattern of diploid and haploid phases reflect the life cycle in some fungi and algae, but not
plants or animals?
a. alternation between haploid and diploid generations
b. two haploid generations followed by a diploid generation
c. one haploid generation followed by two diploid generations
d. a life cycle that limits the diploid state to a single cell produced by fertilization
e. a life cycle that limits the haploid state to a single cell which is immediately fertilized
D
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There will be approximately __________ mice in
four months in a population of 1,000 mice where 500 mice are born and 400 mice die monthly. a. 1,060 b. 1,160 c. 1,260 d. 1,360 e. 1,460
The strobilus of a spike moss contains:a
an apical meristem. b. both microsporangia and megasporangia. c. microsporangia only. d. megasporangia only. e. a plant embryo.
Plants that show a pattern of stomatal opening and closing that is the reverse of C3 plants are called
A. CAM. B. C4. C. Calvin cycle. D. Temperate.
Mycorrhizal fungi are sometimes purposely introduced to new areas of land that are used for growing plants for commercial uses (e.g., landscaping, crop production, timber production). What would be the benefit of doing this?
A) The fungi absorb toxic pesticides from the ground. B) The fungi help facilitate horticulture, agriculture, and forestry. C) The fungi promote the evolution of new fungus species. D) The fungi prevent competitive plant species from growing.