Which of the following correctly describes the impact of an abiotic factor on the population dynamics of an ecosystem? A- Organisms that compete for the same resources will keep each other from over populating.
B- A parasite that invades a host can reproduce and cause a decline in the host species population.
C- Herbivores will not be able to deplete the plants and other resources in an ecosystem due to predation.
D- Seasonal variations in temperature and precipitation can cause some of the individuals in a population to die.

d. in sexual reproduction, offspring have more chromosomes than

either parent.

asexual reproduction results in offspring which are genetically the same as the parent organism (not counting a rare mutation). sexual reproduction produces a random mixture of the genetics derived from both parents

explanation:

sand 60

clay 10

silt 30

sandy loam should be dominated by the sand. as the amount of sand increased, the amount of slit needed to anchor the plants' roots to the sand will also be increased. even though the amount is very little, 10% part of clay is still necessary for proper oxidation.

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