The resource that you do not need to measure for research involving competition between animals is Light . The correct option is A
<h3>What is light availability?</h3>
The presence or amount of light in a specific setting is referred to as light availability. The amount and type of light that is available for organisms to perceive and use for a variety of biological processes are referred to as available light.
Although diurnal/nocturnal activity patterns and other characteristics of an animal's behavior or physiology might be influenced by light availability, light is not often thought of as a resource that animals directly compete for.
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Puberty or a more specific aspect of puberty
Explanation:
Evolution involves changing the hereditary characteristics of a population through generations. These traits are the expression of genes that are passed on to offspring during reproduction.
Answer:
They also have a specialized non-lignified tissue (the phloem) to conduct products of photosynthesis. Vascular plants include the clubmosses, horsetails, ferns, gymnosperms (including conifers) and angiosperms (flowering plants).