Which of the following plant groups specifically need water for sperm transport?
a. mosses, ferns, conifers, flowering plants
b. mosses, ferns, conifers
c. mosses, ferns
d. mosses only
e. flowering plants only
C; Flowering plants and conifers have pollen, therefore their sperm do not need water for sperm transport. Mosses and ferns both lack pollen and rely on water to transport sperm to egg.
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Based on the phylogeny shown, the group of species including (2-5) can best be described as a
A. clade. B. paraphyletic group. C. polyphyletic group. D. cladogram. E. synapomorphy Clarify Question · What is the key concept addressed by the question? · What type of thinking is required? · What key words does the question contain and what do they mean? Gather Content · What do you already know about phylogenetic trees? Consider Possibilities · Consider the different answer options. Which can you rule out? Choose Answer · Given what you now know, what information and/or problem solving approach is most likely to produce the correct answer? Reflect on Process · Did your problem-solving process lead you to the correct answer? If not, where did the process break down or lead you astray? How can you revise your approach to produce a more desirable result?
How long is a typical C-C bond?
a. 0.580 nm b. 0.107 nm c. 0.154 nm d. 0.214 nm
A(n) ________ is determined by the rates at which individuals are added to and subtracted from the population
Fill in the blank(s) with correct word
The number of individuals that can be supported in a given habitat is the:
a. biotic potential. b. density-independent effect. c. carrying capacity (K).