Q: What are living echinoderms divided into five of? Choices: - classifications - species - sexes - clades A:
clades

Q: Full siblings share how many genes with each other? Choices: - 75% - 100% - 25% - half A:
half

Q: Q: An individual with down's syndrome has 47 of what instead of the normal 46? Choices: - ribosomes - mitochondria - prokaryotes - chromosomes A:
A: chromosomes

Question: Q: What subphylum, which includes crabs and crayfish, represents the dominant aquatic arthropods? Choices: - arachnids - sponges - invertebrates - crustaceans A:
Answer: crustaceans

*Question*
Q: What occurs when arterioles lose their normal muscular tone and dilate dramatically? Choices: - cardio shock - respiration shock - congenital shock - vascular shock A:
**Answer**
vascular shock

(Question)
Q: What are the two basic types of competition called? Choices: - exploitative and beneficial - weak and strong - interference and interaction - instraspecifc and interspecific A:
(Answer)
instraspecifc and interspecific