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What are two factors that increase population size and two factors that decrease population size?
Increase: Survival and Immigration Decrease: Death and Emigration
What is a natural disaster that can have a significant impact on human population?
it will decrease population size
What is the population of milk is in the bowl?
Population decrease in bowl by every 3 second millimeter. Size bowl important to population loss. Population decrease in bowl by every 3 second millimeter. Size bowl important to population loss.
What are 2 ways that the size of a population can decrease?
By Genocide, and by war..
What is RNA gene drift?
gene drift is when a population experiences a decrease in variation and population size.
What is the factor most likely to result in a decrease in the size of a specific population is?
An increase in predation pressure or a decrease in food availability are factors most likely to result in a decrease in the size of a specific population. These factors can lead to increased mortality rates and reduced reproductive success, ultimately causing the population to decline in numbers.
Does the population size increase or decrease at higher trophic levels in the pyramid of numbers of an ecosystem consisting of any herbivores and birds feeding on the insects?
Population sizes decrease at higher trophic levels. If they increased the insects population would decrease meaning there would be less food available for the birds so their population size would then decrease. Look at the relationships between predator and prey species for more information
Does the population size increase or decrease at higher trophic levels in the pyramid of numbers of an ecosystem consisting of a tree insects (that are herbivores) and birds feeding on the insects?
Population sizes decrease at higher trophic levels. If they increased the insects population would decrease meaning there would be less food available for the birds so their population size would then decrease. Look at the relationships between predator and prey species for more information
A biotic or an abiotic resource in the environment that causes population size to decrease is a?
abiotic resource. Examples include environmental factors like drought, temperature extremes, or pollution that can directly affect the survival or reproduction of a population, leading to a decrease in population size.
Why is it possible for a population with a high birth rate to decrease in size?
I dont think its possible for the population to decrease because if people keep on having babies the population is just going to grow larger than what it was before.
What is the relationship between the size of the predator population and the size of the prey population?
Let's put it this way. Say you have a killerwhale and a penguin. Killerwhales are major predators to penguins. Now, say the killerwhale population increases. The penguins would be eaten more by the killerwhales, then causing a population decrease for the penguins. If the population decreases, they're won't be enough penguins, and they most likely will become extinct, as well as causing a population decrease for the killerwhales as well. Whereas, vis versa, they're were a killerwhale population decrease. The penguins would be less hunted, therefore, creating a population increase for the penguins.
All other things being equal the size of a population will decrease if?
The deathrate exceeds the birthrate.
