The rock cycle is an example of the conservation of

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Answer 1

Answer:

Answer:

matter

Explanation:

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Which type of cells form through meiosisA.sex cells
B.body cells
C.zygote cells
D.epithelial cells

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Answer: Sex cells

Explanation:

A. Sex cells
Meiosis produces our sex cells or gametes.

The beam of a light spreads out after leaving the flashlight. The beam grows wider and wider. This is best explained by

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When you leave the flashlight power on, the beam of its light will grow wider and wider because the individual photon travels though space forever as long as it don’t hit anything. While the beam grows wider, the photons also spread thinner.

Is the modern periodic table organized by increasing atomic number or atomic mass?(Use CER for this question)

Pls help me

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Answer:

In the modern periodic table, the elements are listed in order of increasing atomic number. The atomic number is the number of protons in the nucleus of an atom.

its listed in order of increasing atomic number
atomic number - number of protons in the nucleus of an atom

What organelles exist in a plant cell

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There's many organelles that exist, but the (main) organelles that help and produce many things would be cell wall, a large central vacuole, and plastids which originate around chloroplasts.

Briefly describe he function of the cell parts (organelles)

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1.       Cell membrane – mostly in animal cells, the protective layer in every cell
2.       Endoplasmic Reticulum – plays a role in synthesis and production of lipid and protein
3.       Ribosome – These organelles gather and use RNA to synthesize and produce polypeptides and protein
4.       Golgi Apparatus – serves as a courier that packages, modifies and sorts proteins and other materials that it receives from the endoplasmic reticulum
5.       Lysosome – acts a digestive system in cells, it metabolizes and breaks down wasted organelles or materials in the cell
6.       Microtubule – serves as a framework of the cell –cytoskeleton.
7.       Mitochondria – acts as the powerhouse of the cell that uses ATP and converts it to energy
8.       Nucleus – the control center of each cell. It regulates, monitors and organizes the whole cell

PLEASE HELP ME Which of the following statements is true?

Geographic isolation is the main cause of speciation.
Hybrid organisms always produce sterile offspring.
If a population is spread out over too large area, they may become extinct.
Speciation can only happen when a population has very low genetic diversity.
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A population of oak trees is separated by a large canyon. Which of the following is most likely to occur?
The two populations will show cospeciation.
The genetic variation between the two populations will increase.
Natural selection will cause one population to die, and the other to live.
Both populations will stop evolving.
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Choose ALL the answers that apply.

Extinction:
only happens above the species level
cannot happen to more than one species at a time
can be caused by habitat destruction
happens when a species or population dies out
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Which of the following statements is true?
Gene flow evens out genetic differences between populations.
Genetic drift increases the genetic differences between populations.
Natural selection, mutation, and genetic drift are random events.
The bottleneck effect increases the genetic diversity of a population.
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A species is endangered if it _____.
no longer exists anywhere on earth
is in danger of becoming extinct
is not native the environment
has high genetic diversity
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Genetic drift _____.
is a predictable event
increases genetic differences between populations
happens when random events change the genotype of a population
happens when well-adapted organisms survive and reproduce more often than poorly-adapted organisms

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Answer: C, If a population is spread out over too large area, they may become extinct.

Answer:

A species is endangered if it is in danger of becoming extinct

Explanation:

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How old is the earth and how did scientists find this out

what do you call the phenomenon When you have a different concentration of materials on the inside and outside of the cell

How to measure a diagonal of the earth?