2. Alleles that are both expressed in a heterozygote are
completely dominant,
codominant
epistatic
incompletely dominant,

explanation:

yes you are doing it right great gob

1. desertification

2. captive breeding

3. black rhinoceros

4. renewable resources

explanation:

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above statement is not a true statement about the open ocean because the open ocean has low levels of nutrients. most of the photosynthetic activity on earth occurs in the open ocean within the photic zone. organisms in the deep ocean are exposed to frigid temperatures and total darkness but it does not begin at the low-tide mark.