Q: An allele is an alternative form of what structure? Choices: - amino acid - enzyme - protein - gene A:
gene

(Question)
Q: Most vascular plants are seed plants, also known as? Choices: - sporozoans - bacteria - fungus - spermatophytes A:
(Answer)
spermatophytes

Ques: Q: Blood from the body enters what chamber of the heart before it is pumped to the right ventricle and then to the lungs? Choices: - left ventricle - left bivalve - left atrium - right atrium A:
Ans: right atrium

(Q).
Q: A recent deadly explosion in the gulf of mexico exemplified what source of ocean pollution? Choices: - greenhouse gases - fracking disaster - algal bloom - oil spill A:
(A).
oil spill

Ques:Q: What process is involved in the formation of a waterfall, when a stream flows from an area of harder to softer rock? Choices: - calcification - migration - evaporation - erosion A:

Ans:erosion

Q: Organs that produce eggs and secrete estrogen are part of what system? Choices: - circulatory system - digestive system - male reproductive system - female reproductive system A:
female reproductive system