Biology, 13.10.2019 00:30 baidentheodore617
True or false? populations within ecosystems live in harmony and do not compete with each other.
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Biology, 21.06.2019 17:20
What protects the lining of the stomach from acidic gastric juices?
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Biology, 22.06.2019 01:30
In a classic experiment using pea shape, mendel conducted two separate genetic crosses. in the first cross the parent plants were âtrue breedingâ for pea shape; one had round peas ( r )and the other had wrinkled (r). the first cross produced a filial 1 generation of all round peas. in the second cross, mendel bred plants from the filial 1 generation. this cross produced different results. out of approximately 1000 plants, about 75% were round and 25% were wrinkled.
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Biology, 22.06.2019 02:00
Despite the differences in mature plant cells, all of them are derived from meristem cells. the three major types of tissue systems develop from the meristem. meristems develop cells in all but which tissue?
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
True or false? populations within ecosystems live in harmony and do not compete with each other....
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