Which of the following best describes opportunistic or r-strategy, organisms?
A . They reach sexual maturity rapidly
B. They reach their adult size slowly
C. They attain a large body size
D. They live for a long time
E. The size of their population remains fairly constant
Ans: A . They reach sexual maturity rapidly
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Arthropod success cannot be attributed to which adaptation?
a. modified segments b. jointed appendages c. closed circulatory system d. sensory specialization e. specialized developmental stages
In which form does energy enter the ecosystem?
a. chemical energy b. heat c. light energy d. magnetic energy
The hormones secreted by the anterior pituitary are ____.
A. peptide hormones B. neurotransmitters C. steroid hormones D. second messengers E. polar
All staphylococci can be differentiated from all streptococci because only staphylococci produce the enzyme _____ that is easily detected in the lab.
Fill in the blank(s) with the appropriate word(s).