What is one way in which the cardiovascular system of a mammal is different than that of an arthropod such as an insect?
A) The heart of the mammal pumps blood into arteries, while the insect heart does not.
B) Veins send blood to a mammal's lungs, while insect veins send blood to the heart.
C) A mammal's blood is always contained inside vessels, while an insect's blood sometimes leaves the vessels.
D) A mammal has a heart to pump blood, while an insect does not have a heart.
C
You might also like to view...
The ___________________ deals with geological processes and carbon reservoirs, some of which have been built up (or take place) over a period of millennia
In contrast, the __________ involves biological processes that are carried out on a daily and/or seasonal basis. A. short-term carbon cycle; long-term carbon cycle B. long-term carbon cycle; short-term carbon cycle C. short-term carbon cycle; rapid carbon cycle D. long-term carbon cycle; intermediate carbon cycle
This summer, you are returning to the research station in Costa Rica to follow up on the population of butterflies you have been studying. You are disappointed to find that there are fewer this year than last. In fact, at dinner your friends studying frogs and birds are complaining about the same thing. What type of influence do you suspect?
A. a density-independent effect like an introduced predator B. a density-dependent effect like environmental disruption C. a density-independent effect like environmental disruption D. a density-dependent effect like an introduced predator Clarify question: What is the key concept addressed by the question? What type of thinking is required? Gather Content: What do you already know about factors that affect many different populations of organisms? What other information is related to the question? Choose Answer: Given what you now know, what information is most likely to produce the correct answer? Reflection on Process: Did your problem-solving process lead you to the correct answer? If not, where did the process break down or lead you astray? How can you revise your approach to produce a more desirable result?
Changes in proteins of the lens cause
a. astigmatism. b. retinoblastoma. c. myopia. d. glaucoma. e. cataracts.
In DNA transcription, a promoter is _____.
A) a start signal B) a DNA base sequence C) the location that binds RNA polymerase D) all of the choices