Double fertilization in angiosperms results in:
A. a diploid embryo and a diploid endosperm.
B. a diploid embryo and a triploid endosperm.
C. a triploid embryo and a diploid endosperm.
D. a diploid embryo and a haploid
endosperm.
E. a haploid embryo and a haploid
endosperm.
B
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Some diseases can result from defective transport across the membrane. For example, cystic fibrosis results from a chloride ion transporter that does not function. Which of the following would be affected when this transporter does not function?
A. the chloride concentration gradient B. the electrical gradient of the cell C. Both a and b D. Neither a nor b
Which of the following statements is false?
A. Suspension filter feeding animals are all herbivores. B. The largest baleen whales are suspension filter feeders. C. Suspension filter feeding animals are found in both marine and freshwater environments. D. The similar feeding strategies of scallops and whales are an example of convergent evolution. E. None of these statements is false.
Assume that the ancestor of this phylogeny had vascular tissue and chlorophyll. If this is true, which answer lists all key traits of a ginkgo?
A. vascular tissue, needles, tree, and chlorophyll
B. tree and seeds
C. seeds, tree, vascular tissue, and chlorophyll
D. needles, tree, and seeds
Clarify Question
· What is the key concept addressed by the question?
· What type of thinking is required?
· What key words does the question contain and what do they mean?
Gather Content
· What do you already know about cladistics?
Consider Possibilities
· What other information is related to the question? Which information is most useful?
Choose Answer · Given what you now know, what information and/or problem solving approach is most likely to produce the correct answer?
Reflect 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?
Fungi parasitic on plants produce specialized hyphae, called __________, that penetrate the host
a. soredia b. secondary mycelia c. basidia d. asci e. haustoria