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4 years ago

What are 10 thing that classify as a second succession?

Biology

1 answer:

tatiyna4 years ago

3 0

1. An area of growth.

2. A disturbance, such as a fire, starts.

3. The fire destroys the vegetation.

4. The fire leaves behind empty, but not destroyed soil.

5. Grasses and other herbaceous plants grow back first.

6. Small bushes and trees begin to colonize the public area.

7. Fast-growing evergreen trees and bamboo trees develop to their fullest, while shade-tolerant trees develop in the understory.

8. The short-lived and shade-intolerant evergreen trees die as the larger deciduous trees overtop them. The ecosystem is now back to a similar state to where it began.

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HOW DOES SEXUAL REPRODUCTION OCCUR BETWEEN HUMANS

mihalych1998 [28]

Answer:

Through the female and the male sex organs or in a lab

Explanation:

7 0

3 years ago

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List three factors that account for the rapid growth of the world's human population over the past 200 years.

dalvyx [7]

Answer:

In the 1960s, China's large population was growing so rapidly that there was a serious threat of mass starvation.

• The government established the world's strictest family planning and birth control program, promoting one-child families and provides contraceptives, sterilizations, and abortions for married couples.

• Married couples pledging to have no more than one child receive a number of benefits including better housing, more food, free health care, salary bonuses, and preferential job opportunities for their child.

• Between 1972 and 2011, the country cut its birth rate in half and trimmed the average number of children born to its women from 5.7 to 1

Explanation:

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3 years ago

Pick an organelle that's your favorite and tell why its your favorite and talk about it. make it for one minutes. Talk about rib

Natalka [10]

My favorite, lysosomes. These break down old cells parts and remove waste. They do this by releasing enzymes that can break down food particles, old cell parts and engulfed bacteria and viruses. Did you know that if the cell knows its health is poor the lysosome will kill the it's own cell.

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4 years ago

All macromolecules are made mostly of the same six elements. What are those six elements?

jekas [21]

Answer:

Carbon, hydrogen, oxygen, nitrogen, phosphorous, and sulfur.

Explanation:

Macromolecules such as carbohydrates or lipids are made of a selection of these six elements. Carbohydrates are made out of carbon, hydrogen, and oxygen--or "CHO" for short. Lipids are made out of carbon, hydrogen, and oxygen as well. Proteins are made out of carbon, hydrogen, oxygen, nitrogen, and sometimes sulfur (CHONs, the s is lowercase because sulfur does not usually appear in proteins). Nucleic acids are made out of carbon, hydrogen, oxygen, nitrogen, and phosphorous (CHONP).

Hope this helps!

3 0

4 years ago

Gametes (SEX CELLS) have ... A. half the number of chromosomes found in the body cells B. twice the number of chromosomes found

Julli [10]

Answer:

$\boxed {\boxed {\sf A. \ Half \ the \ number \ of \ chromosomes \ found \ in \ the \ body \ cells}}$

Explanation:

Gametes are sex cells, such as the egg and sperm. They are used in sexual reproduction to produce offspring.

The sex cells are produced during meiosis. The DNA or genetic material is replicated, then the cells divide twice. After this, four haploid cells are produced with half of the genetic material. For example, human body cells have 46 chromosomes but sex cells have 23 chromosomes.

They contain half the genetic material for an important reason. During fertilization, an egg and a sperm fuse. Each one contributes half of the genetic material from the mother or father to create one complete set for the offspring.

Gametes have half the number of chromosomes in body cells and choice A is correct.

3 0

3 years ago

Read 2 more answers