The major cause of the loss in Earth's biodiversity is
a. agricultural runoff.
b. habitat loss.
c. overfishing and water pollution.
d. pollution.
e. fossil fuel usage.
Ans: b. habitat loss.
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The Arctic tern makes an annual migration of up to _______
a. 700,000 km b. 70,000 km c. 7,000 km d. 700 km e. 70 lm
Which of the following are most closely related
according to the most modern hypothesis of animal evolutionary relationships? a. arthropods and roundworms b. mollusks and tardigrades c. annelids and cnidarians d. chordates and flatworms e. echinoderms and mollusks
The major function of bile is to ____
a. emulsify fats b. digest fats c. stimulate stomach secretions d. inhibit stomach contractions e. aid in amino acid absorption
True-breeding individuals are produced by repeated backcrossing
Indicate whether the statement is true or false