Biology, 20.01.2021 02:10 markleal57151
In seedless plants without vascular tissues, the sporophyte a. depends on the gametophyte for food and support. b. is the dominant generation. c. is haploid. d. lives longer than the gametophyte. e. is larger than the gametophyte.
Answers: 3
Biology, 21.06.2019 19:40
Asmall number of finches are removed randomly from the wild and placed in a protected bird area. they are given as much food as they need and have plenty of space. why would natural selection not occur in this population? a. there is no reason for genetic mutation to occur. b. the birds compete for limited resources, c. the population has not reached carrying capacity. d. there is no genetic variation in the finches.
Answers: 1
Biology, 21.06.2019 20:00
Aresearcher has developed two stains for use with seed plants. one stains sporophyte tissue blue; the other stains gametophyte tissue red. if the researcher exposes pollen grains to both stains, and then rinses away the excess stain, what should occur? a) the pollen grains will be pure red.b) the pollen grains will be pure blue.c) the pollen grains will have red interiors and blue exteriors.d) the pollen grains will have blue interiors and red exteriors.
Answers: 1
Biology, 22.06.2019 05:40
Which of these substances does not protect against invaders in the nonspecific immune response? a. saliva b. mucus c. tears d. urine
Answers: 1
In seedless plants without vascular tissues, the sporophyte a. depends on the gametophyte for food a...
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