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Different plant and animal species have a great variety of body structures that help them survive and reproduce and what else?
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How long will a species be able to survive if the females are able to reproduce but only half can?
Species would survive indefinably in such conditions .
What is thin thread-like structures that contain heredity instructions for cells to survive perform their functions and reproduce?
chromosomes
What is the process whereby only the fittest organisms survive and are able to reproduce?
natural selection
How did Darwin explain the fact that only a small number of offspring of any species survive to reproduce?
Offspring must compete for available resources in order to survive
What is the fitness of an organism?
The ability to survive and reproduce
What must a spices be able to do in order to survive and reproduce?
A species must be able to find food, shelter, and water in order to survive and reproduce. Until a species is able to meet its essential needs, it is not able to reproduce and survive.
Must EVERY memeber of a particular species one kind of organism be able to reproduce in order for the species to survive?
No. It is not necessary for EVERY member of a species to reproduce in order for the species to survive. Consider humans. Some are infertile and can't reproduce, and some choose not to reproduce, yet the human species survives.
How can two different types of reproduction help some species survive?
If there isn't another parent for the species to reproduce with, it can make offspring on its own, continuing the species.
How long will a species be able to survive if the females are able to reproduce but only half can?
Species would survive indefinably in such conditions .
How will you know if an animal can't reproduce?
All organisms can reproduce. Without it species can't survive.
What is a imperiled species?
A species that is in danger of becoming extinct. There are low numbers of the animal and they may not be able to reproduce fast enough to survive as a species. Or they may face some environmental factor that is causing them to not reproduce enough to survive.
Why is in important for an animal to have an egg cell?
So it can reproduce and its species can survive...
What is the purpose of making humans?
We have to reproduce so our species can survive which is the main purpose.
What must all plant and animal species do in order for each species to survive?
Reproduce. Biology is all about sex.
What is thin thread-like structures that contain heredity instructions for cells to survive perform their functions and reproduce?
chromosomes
Must every number of a species to reproduce in other for the the species to survive?
They must be able to reproduce, however a large percentage of the offspring never reach sexual maturity and only a smaller percentage of those will reproduce in many cases.
What is the carrying capacity of the environment for the particular species?
The "carrying capacity" for a species is the total number of individuals that can get enough food to survive and reproduce.
