Which adaptations originated in some fishes and enabled vertebrates to thrive on land?

A. limbs and lungs
B. lungs
C. fins
D. limbs
E. lungs and fins


A. limbs and lungs

Biology & Microbiology

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Protozoans are an important part of the food chain ingesting large numbers of

A. fish. B. bacteria and algae. C. shellfish. D. other protozoans.

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Where does glycolysis takes place?

A. mitochondrial matrix B. cytosol C. mitochondrial intermembrane space D. mitochondrial inner membrane E. mitochondrial membrane

Biology & Microbiology

The light-harvesting units in the thylakoid membranes are the ________.

A. electrons B. ATP molecules C. photosystems D. ATP synthases E. grana

Biology & Microbiology

Why does meiosis in females produce only one viable gamete while meiosis in males produces four? What will be an ideal response?

Biology & Microbiology