Biology, 30.01.2020 03:04 decoreyjpaipxv
There are two species of sparrows that appear very similar to each other. a scientist tried tomate them. he observed that in spite of being of the same species, they didn’t interbreed. what evolutionary force must have worked in this example?
migration
geographical isolation
reproductive isolation
Answers: 2
Biology, 21.06.2019 17:50
What happens when a magniseum ion ia atracked to a chlrene ion
Answers: 1
Biology, 21.06.2019 20:00
The observations of hooke and van leeuwenhoek documenting the existence of microscopic cells formed the basis of what important theory? a. the cell theory stating that all living things are composed of cellsb. the theory of spontaneous generation, which held that life forms could arise spontaneouslyc. the theory of chemotherapy, or use of antimicrobials to destroy pathogenic organismsd. the germ theory of disease and causative agents
Answers: 1
Biology, 21.06.2019 20:10
4. how does a phospholipid behave in water? the phosphate head does not mix with water; the fatty acid tails do. the phosphate head and the fatty acid tails mix with water. the phosphate head and the fatty acid tails do not mix with water. the phosphate head mixes with water; the fatty acid tails do not.
Answers: 1
Biology, 22.06.2019 10:30
The greenhouse effect a. something that has occurred for millions of years b. an unnatural phenomenon caused by humans that maintains earths temperature range. c. the results of the differences in the angle of the suns rays d. an unnatural phenomenon that causes heat energy to be radiated back into the atmosphere
Answers: 1
There are two species of sparrows that appear very similar to each other. a scientist tried tomate t...
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