B
Secondary succession means the regrowth in an ecosystem that already existed, after a disaster such as floods, fire, and etcetera. This is as opposed to primary succession whereby a new ecosystem is developed where none existed initially, usually on a new substrate.
Explanation:
In the picture on the left looks like a picture of a forest decimated by fire. On the right is a picture of the grass growing on the forest floor. This probably due to the fact that the canopy of the forest was destroyed in the fire enabling sunlight to penetrate to the floe of the forest supporting vegetation growth. This secondary succession. The grass acts like pioneer species. Later, the forest floor will be colonized by perennial, and then woody plants and the ecosystem will be back to its normal state.
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For more on ecological succession check out;
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Answer:
Calculate the age of an object by finding how much carbon-14 remains in the sample
Answer:
Cells are the basic building blocks of all living things. The human body is composed of trillions of cells. Cells have many parts, each with a different function. Some of these parts, called organelles, are specialized structures that perform certain tasks within the cell
Explanation:
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These kinds of cells are body cells with a full set of chromosomes. Examples include blood cells, brain cells, skin cells
Which of the following is a form of pollution triggered by formation of a gas, and can have dramatic effects on the health of a coral reef ecosystem?
fog
pesticides
Acid Rain
oil spill
the answer is acid rain hope this helps