Biology, 13.11.2019 23:31 anasfis35ovmbff
As a final exam question in your biology course, you are asked to identify an animal that you immediately recognize as a chordate. your instructor applauds you for your quick recognition of the phylum, but then he asks you to be more specific. you reply that the animal that you are observing is a craniate. to get an a, you must also tell your instructor how you came up with your answer. what features would you use to formulate your answer?
check all that apply.
a. most craniates lack a functional jaw.
b. the anterior end of the nerve cord is elaborated to form a brain in craniates.
c. the brain is encased in a protective bony or cartilaginous housing in craniates.
d. adult craniates lose most of their chordate characteristics.
e. a group of embryonic cells called the neural crest form on either side of the neural tube in craniates.
Answers: 3
Biology, 21.06.2019 17:30
In a certain ecosystem owls are predators for mice. the owl population increases and they eat more mice this causes the mouse population to decrease what happens next? a.the birth of mice increases. b. the birth rate of owls increases c. the population of owls decreases d. the population of mice increases
Answers: 1
Biology, 22.06.2019 06:40
Which of these has happened to your food by the time it reaches your small intestine? a. all the macromolecules have been broken down completely. b. lipids and starches have been partially broken down. c. starches and proteins have been partially broken down. d. proteins and lipids have been broken down into subunits.
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Biology, 22.06.2019 09:00
Which heredity condition causes a buildup of mucus in lungs and pancreas? a. cystic fibrosis b. heart disease c. huntington's disease d. sickle cell anemia
Answers: 1
Biology, 22.06.2019 11:00
Has anyone taken the genetics unit test in connexus? not looking for answers, just a little bit what to expect and some with studying.
Answers: 1
As a final exam question in your biology course, you are asked to identify an animal that you immedi...
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