1/2
For instance the two parents could be AB and AB
The possible combinations are: AA AB BA BB
2/4 of those are heterozygous, or 1/2.
It is more precise to illustrate biosphere as the global ecosystem rather than the global community as it just comprises all the living things in a specific region regarding their distinct species. However, when one talks about the ecosystem, one automatically incorporates both the nonliving and living things like water, soil, etc. So, it is more precise in saying the global ecosystem, when one is talking about the Earth biosphere.
As marine ecosystems constitute over 70 percent of the surface of the Earth, the influence of these ecosystems on the global food web is impressive. The oceans are an essential source of oxygen for the planet and are efficient in the recovery and room for carbon dioxide. The marine classes offer essential ecosystem services like the preparation of drugs, food, and livelihoods. They also support recreational projects and tourism all around the globe.
Explanation:
A ball is thrown straight up from a rooftop 320 feet high. The formula below describes the ball's height above the ground, h, in feet, t seconds after it was thrown. The ball misses the rooftop on its way down and eventually strikes the ground. How long will it take for the ball to hit the ground? Use this information to provide tick marks with appropriate numbers along the horizontal axis in the figure shown.
h=-16t^2+16t+320
