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1) Seasons, i.e. in the winter, food is less plentiful, causing more animals to die.
2) Human pesticides. (If many animals eat plants with pesticides and fertilizer, they will die.)
If you mean humans, then one is economics. If someone had less money, they probably won't have as many kids. Another is disasters. I kills many people, and if someone's close friend is killed, they will be mourning for a few weeks, not bothering to "Repopulate"
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What are two things that increase a population?
One: size of habitat suitable for habitation. Two: Amount of food/water available. Three: Whether or not, and how many, predators there are. Four: Whether or not, and how many, competitors for one or two there are.
A factor that tends to cause species to change is a?
A factor that tends to cause species to change can be one of two things. It can be either climate change or an invasive species.
How do you know that there is a process called evolution?
Evolution is the change in allele frequency over time in a population of organisms. Sequence the genomes of enough organisms in that population at two varying points and you will see the fact of evolution.
What two factors are required for a character or trait to change over time in population which is adapting through natural selection?
The two factors required for a character of trait to change over time through natural selection are heritability of the trait and a differentiation of fitness between traits.
What are two things that happen when a cell prepares to divide?
1. The DNA in each chromosome duplicates. 2. The chromosomes also change form.
What are things you might want to measure using percent of change?
Two examples that spring to mind are inflation and population growth.
What two things cause a population to decrease?
A low Birth Rate and environmental hazards are two things that can cause a population to decrease.
What two things can cause a population to decrease?
A low birth rate and environmental hazards are two things that can cause a population to decrease.
What two things can happen to a population of species if they do not adapt?
I think the two things for population of species if they do not adapt. The answer I think is sea turtles,and salmon.
What two things infuence mental wellness?
THERE ARE TWO MAiN THiNGS THAT iNFLuENCE MENTAL WELLNESS: y0uR ENViR0NMENT AND HEREDiTy.
What two things influence newton's law of gravitation?
Mass and Distance
What two things influence mental wellness?
Security and healthy relationships
What are the two things that influence people when they spend money?
Need and Want
What are two things that influence cancer survival?
The patients attitude, and what stage the cancer was found in.
How did landlines change to mobiles?
Landlines did not change to mobiles. They are two different things.
How do mAh change into volts?
they are two different things.
What two things can change in velocity do?
motion and the angle
