Biology, 22.11.2019 21:31 issaaamiaaa15
Which of the following changes in deciduous forests occurs in the spring?
a.
trees regain their leaves.
b.
trees block the flow of water and nutrients to their leaves.
c.
the leaves of trees begin to lose their chlorophyll.
d.
trees live off of stored nutrients.
Answers: 1
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What food can provide the body with a quick source of the energy needed to carry out cell functions (a) whole grain bread (b) ground hamburger (c) vegetable oil (d) whole milk
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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, 21.06.2019 20:00
In terms of alternation of generations, the internal parts of the pollen grains of seed-producing plants are most similar to a ) moss sporophyteb) moss gametophyte bearing both male and female gametangiac) fern sporophyted) fern gametophyte bearing only antheridia
Answers: 1
Which of the following changes in deciduous forests occurs in the spring?
a.
trees rega...
a.
trees rega...
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