Answer:
Please see below.
Explanation:
Some alleles have multiple effects in the phenotype. The allele that causes beaks to be deeper likely also causes the beaks to be wider, so both traits are associated and will vary together. Therefore the population will always show a deeper and wider beak or a shorter and narrower beak depending on the environmental cues available that select for either state.
A geochemical cycle is the pathway that involves the movement of elements or substances in the Earth's surface and the crust. I believe the answer are hydrologic, heat, and rock. These are the three main geochemical cycles of the Earth and are responsible of continuously removing and adding materials here on Earth.
Increase in air pollution: public transport
decrease in trees: plant new trees
loss of bird habitat: nesting boxes
endangered aquatic species: regulate recreational activities
The answer is C. Alleles form your genetic makup :)
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The greater the mass the less it moves
