What attachment to trawl nets has reduced bycatch from shrimp fisheries from 15 pounds to 5 pounds per pound of shrimp caught?
a. Deflecting bars
b. Drifting nets
c. Finer mesh netting
d. Tans
a
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Choose the true statement about the morphological data in the chart shown below. The "1" in the box means the trait is present and the "0" indicates that the trait is absent.(Note: All of the characteristics across the top of the columns are considered "TRAITS" for purposes of reading the chart.).
A. All organisms in this chart share all of the derived characteristics.
B. Only the gorilla and humans share all of the derived characteristics.
C. The lamprey is the only outgroup since it has none of the derived characteristics.
D. The salamander and the tiger together are the outgroup because they only share two of the derived characteristics (jaws and lungs).
E. The shark is the outgroup since it only has one of the derived characteristics (jaws).
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 outgroups and derived characters?
Consider Possibilities
· Consider the different answer options. Which can you rule out?
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?
Bryophytes differ from all other land plants in
that they
a. possess swimming sperm. b. have stomata. c. have dependent sporophytes. d. exhibit alternation of generations. e. protect the embryo inside parental tissue
Which of the following is true regarding some insect tracheal systems?
a. They are associated with the blood circulatory system. b. They excrete body wastes as well as transport gases. c. Their spiracles can become clogged by spraying them with oil. d. The tracheal tubes are continually open in large terrestrial insects. e. They contain respiratory pigments to enhance oxygen transport.
Which two molecular techniques are used in DNA profiling to generate data included in the FBI's CODIS database?
What will be an ideal response?