This seems rather vague, the question is most likely referring to parasitic relationships.<span />
Answer: C
Explanation: A testcross is a mating between an individual of unknown genotype and an individual homozygous recessive for the trait of interest.
It can determine if the individual being tested is homozygous dominant or heterozygous dominant.
thin-walled and flaccid, farther from heart so pressure lower
Hope this helps:D Please vote Brainliest!
Answer:
Choice C
Explanation:
Chemical reaction is basically when one or multiple substances would form into one or more new substances.
Answer:
They lived from the pleistocene to the early holocene epoch about 10,000 years ago million of years after the dinosaurs went extinct.