Biology, 03.12.2020 17:00 laderickaluckey
2. Which of these is a factor needed for natural selection to occur?
a. Different fitness levels of the offspring
b. Overproduction of offspring?
c. Variation is heritable
d. All of these
e. None of these
Answers: 2
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Witch type of microscope is used to view very small cell components like proteins and dna?
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An organ system consists of a group of organs that performs specific functions necessary for the survival of an organism. humans have eleven different organ systems: integumentary, skeletal, muscular, nervous, endocrine, circulatory, lymphatic, respiratory, digestive, urinary, and reproductive. discuss the function of neurons, the brain and the spinal cord within the human nervous system while explaining the interrelationship of each organ.
Answers: 1
2. Which of these is a factor needed for natural selection to occur?
a. Different fitness levels of...
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