Codominance occurs when both alleles for a gene are expressed in a heterozygous offspring.
Hope this helps!
-Payshence xoxo
A membrane bound nucleus (or just a nucleus in general)
The answer would be D. Tropical Rainforest, this would be due to the abundance of rain which creates plenty of vegetation and then, more herbivores will live in the rainforest, and the more herbivores there are, the more carnivores will come to the rainforest. The canopy of the tall trees also provide shelter for countless of thousands of species of birds.
This is (b.) False, because it was actually introduced in the 1930's.