Earth's tilted axis causes the seasons. Throughout the year, different parts of Earth receive the Sun's most direct rays. So, when the North Pole tilts toward the Sun, it's summer in the Northern Hemisphere. And when the South Pole tilts toward the Sun, it's winter in the Northern Hemisphere.
Answer:
they changed
Explanation: they got warmer
Hydrostatic pressure will drop as blood moves away from the arteriole end of the capillary bed. Hydrostatic pressure is the pressure exerted by a fluid balance at a point within the fluid, due to the force given by gravity. This pressure usually increases in proportion to depth measured from the surface because the eight of fluid is increasing and it exert force on downward direction from above.
Offsprings, natural selection, a measure of reproductive success.
Explanation:
Pattern of life history in individual or population evolve by Natural selection, Life history pattern optimizes the trade offs as energy spend in raising the offspring.
The energy resources in the earth is limited and organisms had to fight for the resources for growth, multiplication and survival.
The offspring with the traits will use the effective way to use the resources than with the siblings who lack the trait,
The reproductive success is ultimately a measure of natural selection.
It would be any mutation of the DNA or mRNA mutations in sequences that control the cell cycle because mutations are caused for an error in DNA since DNA contains all your traits and genes.
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