Upon finding a carcass, a raven will only call and attract other ravens to the food source if the ____
a. nearby ravens are relatives
b. food source is large and plentiful
c. food is found in a resident pair's territory
d. food is found in his own territory
e. food is being consumed by an animal of another species
C
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What is the ultimate source of chemical energy for all living organisms?
a. photosynthesis b. cellular respiration c. ATP d. GTP e. glucose
Which of the sperm cells from the translocation carrier shown on the previous slide would produce a normal zygote if paired with a normal ovum?
1.A
2.B
3.C
4.D
5.E
6.F
You discover a mutant strain of Neurospora crassa that will not grow on a minimal medium but that will grow on a medium supplemented by the amino acid methionine
How can you determine which step in the methionine synthesis pathway is affected by the mutation?
What organ filters waste out of the blood in fish?
A) they don't filter out the waste B) kidney C) spleen D) malpighian tubules