Blue jays have caterpillars and mice as their food. An increase in the blue jay population will cause a decrease in the caterpillar and mice population since more blue jays will eat caterpillars and mice. As time passes, the blue jays will have a problem finding food since the caterpillar and mice population has decreased, so the blue jay population will eventually lower as well.
The genes are from the nuclei of the egg (from the female) and the sperm (from the male) the different traits are joined to create the particular genes.
(I might be right.)
Answer:
For the first question, choose the option in which the practice would help in the preservation of nature, for example, by reducing pollution and waste, as well as protecting areas of wildlife from getting eradicated. For example, recycling would be a sustainable practice, in which you reuse hard-to-dispose man-made-materials.
For the second question, invasive species are dangerous to an environment, for they destroy the fragile original ecosystem. They generally would destroy one or more levels of the ecosystem, resulting in a total-reduction of the populations in each language, or else an imploding boom of a certain population that would soon strangle itself out from lack of resources.
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Modern stromatolites – living fossils. Originating over 3 billion years ago, stromatolites are the oldest known fossils (timeline). Fossilized stromatolites were laid down as colonial structures built by photosynthesizing Cyanobacteria and other microbes.
