Biology, 13.09.2019 22:30 donaldwilliams31
Some birds can detect much lower frequency sounds that humans can. these sounds are called infrasounds. what is the leading hypothesis for why they are able to detect these low frequnecy sounds?
a. to be able to make quick flight changes to avoid predators that produce infrasounds
b. to detect the orientation of the sun even at night so that they can continue to fly
c. to detect pheromones to identify intraspecific members of the opposite sex during mating
d. to orient themselves during migration by detecting waterfalls, volcanoes and thunderstorms
e. to echolocate prey by producing these infrasounds that then are reflected back to their ears
Answers: 2
Biology, 22.06.2019 10:30
In a lab, scientists grew several generations of offspring of a plant using the method shown. what conclusion can you make about the offspring? a. they formed from meiosis and mitosis. b. they have half the number of chromosomes as their parent. c. they have low genetic variability among them. d. they will be able to reproduce only after they grow flowers.
Answers: 2
Biology, 22.06.2019 15:30
What process creates gametes? a.fertilization b.mitosis c.meiosis
Answers: 2
Some birds can detect much lower frequency sounds that humans can. these sounds are called infrasoun...
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