Answer:
Natural selection needs some starting material, and that starting material is heritable variation. For natural selection to act on a feature, there must already be variation (differences among individuals) for that feature. Also, the differences have to be heritable, determined by the organisms' genes.
Answer:
Wait a second i will help let me get somthing
Explanation:
<span>What is the heat required to raise the temperature of 1 g?</span>
<span>ecosystems limiting factors include the temperature of the water, sunlight, the amount of nutrients, and dissolved oxygen content, which is the amount of oxygen gas dissolved in a given volume of water at a particular temperature and pressure. The salinity can also be a limiting factor in aquatic ecosystems.</span>
Answer:
It's going to be:
A-Endospores can survive extreme heat, lack of water, radiation, and exposure to many toxic chemicals.
C-Endospores are highly durable dehydrated cells with thick cell walls.
ANSWER IS A and C
