Q: Both sexes of sockeye salmon turn red with green heads just prior to what? Choices: - dying - feeding - migrating - spawning A:
spawning

(Question)
Q: Where do skeletal muscles usually attach? Choices: - to cartilage - to dendrites - to the spine - end of bones A:
(Answer)
end of bones

Ques: Q: What do the external female reproductive structures are collectively referred to? Choices: - cervix - Clitoris - endometrium - vulva A:
Ans: vulva

(Q).
Q: Prescribed to treat allergies, antihistamines and corticosteroids help control what system that attacks allergens? Choices: - cardiovascular - reproductive system - nervous system - immune system A:
(A).
immune system

Ques:Q: When does exchange of dna segments happen between non-sister chromatids of homologous chromosomes? Choices: - during meiosis - during mitosis - during diversion - during crossing-over A:

Ans:during crossing-over

Question: Q: What moves sediments after they have formed? Choices: - photosynthesis - migration - perspiration - erosion A:
Answer:
erosion