Biology, 24.10.2019 14:43 theeflyguy5
The trilobites seen in this image was once found widespread in the ocean. something changed to limit and finally abolish their success. what do scientists use this example as proof of ?
a. life changes over time .
b. homologous structures can be found among many species
c. vestigial organisms once had a function in ancient times
d. the fossil record is incomplete
Answers: 3
Biology, 22.06.2019 07:00
8) animals respond in various ways to stimuli detected through their senses. some of these responses are stimulated by the presence of danger. which of these animal responses is the best example of a response to an immediate threat? a) a rooster crows every morning at the first sign of light. b) as something approaches an octopus, it shoots a cloud of ink. c) from late fall until spring, bears hibernate to preserve energy. d) a dog is getting hot in the sunlight, so he moves to a shaded area.
Answers: 3
Biology, 22.06.2019 16:20
Which example best describes a reflex action? a. eating food when hungry b. coughing when the throat is irritated c. bending down to lift a heavy object d. going for a walk outside
Answers: 2
The trilobites seen in this image was once found widespread in the ocean. something changed to limit...
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