All cells are surrounded by a Cell Membrane
Answer:
they absorb heat from the sun
explanation: plants in the tundra tend to have dark-colored leaves and stems that help them absorb solar heat faster and keep warm for longer periods.
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The answer may be D. but there isnt enough info sorry...
I don't think so. All a dichotomous key is is a key to different types of species/animals.
Answer:
The mutations that were found in the parents were mostly somatic mutations
Explanation:
It has been mentioned in the question that leukemia was mainly found in the persons who were directly exposed to the radiation and it was absent in their children so this fact suggests that the mutations that were found in the parents were mostly somatic mutations and thus they are not transferred to the children from their parents. As these mutations were induced due to exposure of radiation so it was induced mutation. And such induced mutations do not get inherited to the offspring.
