Biology, 03.12.2019 05:31 KeidrienneB1
If the cystic fibrosis allele protects against tuberculosis the same way the sickle-cell allele protects against malaria, then which of the following should be true of a comparison between regions with and without tuberculosis?
1. cystic fibrosis deaths should be more common in regions with tuberculosis.
2. cystic fibrosis deaths should be less common in regions with tuberculosis.
3. cystic fibrosis deaths should be equally common in both types of regions.
4. regional differences in the cystic fibrosis death rate should be purely random and unpredictable.
Answers: 3
Biology, 21.06.2019 19:00
Study the image of this rock.which characteristic best supports its formation from sedimentary processes? it has many layers.it is coarse-grained.its grain shape is round.its texture is non-banded.
Answers: 1
Biology, 21.06.2019 19:30
Which statement best describes a keystone species? o a. it has littlelmenetic variation. it has an extremely high population. 0 b. 0 c. it remains unaffected by all environmental changes. od. it has a strong influence on the ecosystem. 0 e. it's the first species to populate a new ecosystem.
Answers: 2
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 07:00
Does anyone know what a poms statement is for biology? i don't know what it is and i have an assignment on it tomorrow, will award the best answer a brainliest!
Answers: 1
If the cystic fibrosis allele protects against tuberculosis the same way the sickle-cell allele prot...
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