40 a body cell has twice the number of chromosomes than in a gamete
I'll say C, Science cannot answer difficult question...let me know.
<span>The correct answer is b. The open ocean. The definition of an island ecosystem does not have anything to do with water, but simply refers to an ecosystem that exists as a microcosm within a far larger, separate ecosystem. The ocean has lots of separate island ecosystems within it, but it itself cannot be referred to as one.</span>
Answer:
Symbiosis is any type of interaction between two different species of living things in the same environment. A predator-prey relationship is between two animal species —one kills and eats the other. ... Commensalism is an interaction benefiting one organism, and neither benefiting nor harming the other.
Explanation:
Answer:
Rosalind's x-ray showed that the ladders of nucleotides were inside a double helix.
Watson and Crick built models with the ladders on the outside.
