Which of the following is a function of an exoskeleton?

A. Exoskeletons provide protection.
B. Exoskeletons help reduce water loss in
terrestrial species.
C. Exoskeletons provide support.
D. Exoskeletons provide a site for muscle
attachment.
E. All of the answer options are correct.


E

Biology & Microbiology

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The table shows the distribution of traits (A-E) in six extant species (1-6). A "0" indicates the ancestral condition, while a "1" indicates the derived condition. Which trait is represented by the greatest number of plesiomorphies?  



A.  A
B.  B
C.  C
D.  D
E.  E

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?

Biology & Microbiology

When an individual has two different alleles for a given gene, they are ____ for that gene

a. heterozygous b. homozygous c. self-fertilized d. self-pollinated e. recessive

Biology & Microbiology

Which protein has been implicated in the development of Alzheimer's disease?

a. apolipoprotein A b. apolipoprotein M c. apolipoprotein G d. apolipoprotein B e. apolipoprotein E

Biology & Microbiology

Why must mosses live in moist environments?

A) Because they lack a waxy outer layer B) Because they depend on water to reproduce C) Because they grow as a mat D) Because they are pollinated by fish and aquatic insects

Biology & Microbiology