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Is genetic recombination a major source of variation among organisms?

Yes.


What is a major energy source for many organisms?

The Sun.


Why is water the major component of organisms?

because it the source of energy ...


What is a major cause of variation within species?

Genetic variation, caused by mutations in DNA, is a major source of variation within species. Mutations can lead to differences in traits such as color, size, and behavior, allowing for natural selection to act upon these variations.


What two different sources of genetic variation in a plant or animal population?

The main source of genetic variation is a large population with a large gene pool.


What organisms does not rely on krill as a major food source?

Leopard Seal


What are the three major interactions among organisms in an eco system?

Grow,respond to the environment,and reproduce


What is a major struggle among organisms to obtain the resources that they need to survive?

Competition for limited resources, such as food, shelter, and mates, is a major struggle among organisms. This competition can drive evolutionary adaptations and behaviors that help individuals improve their chances of resource acquisition and ultimately survival.


2 facts about nuclear energy?

Nuclear power is the major source of energy among all nations.


Why is sexual reproduction a source of genetic variations?

When alleles are recombined during sexual reproduction, they can produce dramatically different phenotypes. Thus, sexual reproduction is a major source of variation within many population.


Are there differences between major groups of organisms to how fast they respire?

Yes, there are differences in respiration rates among major groups of organisms. For example, mammals generally have higher respiration rates compared to plants or reptiles. This is influenced by factors such as metabolic rate, body size, and environmental conditions.


What are the four major points of the theory of natural selection?

1. Overproduction - more offspring are born than survive 2. Genetic Variation - there is variation in the population 3. Struggle to Survive - organisms with suitable variations will survive and reproduce 4. Differential Reproduction - suitable variations are passed on to offspring