Which statement is NOT true about ferns?

Select one:
a. The gametophyte stage lacks vascular tissue.
b. The sporophyte stage lacks vascular tissue.
c. Antheridia and archegonia develop on the prothallus of the gametophyte stage.
d. Fertilization requires moisture for the sperm to swim to the egg within the archegonia.
e. The sporophyte stage is the dominant generation.


b. The sporophyte stage lacks vascular tissue.

Biology & Microbiology

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If the mutation rate of individual genes is taken to be about one in 100,000 genes per cell cycle across many organisms, we might expect evolution to proceed at a consistent rate for various forms of life. Which factor could make the accumulation of gene mutations faster or slower among different organisms?

A. Organisms with more genes will likely have more mutations per generation. B. Organisms vary in the percent of loci that have multiple alleles. C. Some organisms may be more effective at repairing mutations before they are passed on to the next generation. D. More selection of mutations can occur in a shorter period of time for bacteria that replicate each twenty minutes than for humans with a (roughly) 20-year generation span. E. All of the choices are correct.

Biology & Microbiology

Living things that live in the polar ice biome include

A) mosses, lichens, seals, and polar bears. B) penguins, seals, moose, and springtails. C) mosses, ferns, gulls, and penguins. D) lichens, jaguars, gulls, and polar bears.

Biology & Microbiology

The ability of DNA polymerase to repair its own nucleotide mismatches is called

____________________. Fill in the blank(s) with the appropriate word(s).

Biology & Microbiology

How did an understanding of genetics lead to "the modern synthesis"?

A) It showed how traits could be passed from one organism to the next. B) It showed how many offspring a single individual was capable of producing. C) It showed the extent of variation for many traits. D) It showed the kind of environmental change that could cause evolution.

Biology & Microbiology