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Nataliya [291]
3 years ago
6

Please help brainliest, five star, thanks please helpppppppppp

Biology
2 answers:
WINSTONCH [101]3 years ago
8 0

Answer:

B(sperm production)

D(appearance of secondary sex characteristics)

Explanation:

anastassius [24]3 years ago
6 0

Answer:

its b and d hope this help

Explanation:

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When larger meteorites hit earth, what do they create​
nasty-shy [4]

Answer:

divots or holes

Explanation:

they hit at a high speed and make a divot in the ground

5 0
3 years ago
Describe the function of each organelle.
Elis [28]

Answer:

Cytoplasm: Fluid between the cell membrane and the nucleus. helps protect organelles

Nucleus: A part of the cell containing hereditary information and is responsible for growth and reproduction; the "command center" of the cell.

Ribosome: A small particle in the cell that can make proteins.

Endoplasmic Reticulum: A cell structure that forms a maze of passageways in which proteins and other materials are carried from one part of the cell to another.

Golgi Apparatus: A cell structure that helps make and package materials to be transported out of the cell or for storage inside the cell.

Lysosome: Cell organelle filled with enzymes needed to break down certain materials in the cell, such as large food particles or old parts of the cell. May be found only in animal cells.

Vacuole: Saclike storage structure in the cell. can store water, nutrients, and even toxic substances.

Mitochondrion: An organelle containing enzymes responsible for producing energy. (Metabolism/respiration)

Chloroplast: An organelle found in the cells of plants and some other organisms that captures the energy from sunlight and converts it into chemical energy (photosynthesis).

Cell membrane: The thin, flexible barrier around a cell; controls what enters and leaves the cell.

Cell wall: The structure outside of the cell membrane that is used to provide support and protection. Present in plants, algae, fungi, and many prokaryotes.

8 0
3 years ago
I have no clue.....hate biology tho :3
omeli [17]
The answer is B.....
4 0
3 years ago
Hybridization _____.
Alinara [238K]

Answer:

The correct answer is: c) usually produces offspring that cannot reproduce.

Explanation:

Hybridization, also knowns as selective breeding, is an <u>artificial process</u><u> that involves selecting parents with specific characteristics in order to obtain an offspring with the same traits</u>.

Hybridization is very common and has been performed by humans for thousands of years: from selective breeding crop plants, to do so with dogs in order to create more desirable breeds.

Option A is incorrect because hybridation does not occur in nature, it is an artificial process.

Option B is incorrect because hybridation often happens when the selected parents are chosen to reproduce (by a human).

Option D is correct because an important amount of hybrids are sterile (for example: mules).

Option D is incorrect as well because the offspring is not identical: it shares a combination of genes from both parents.

3 0
3 years ago
Read 2 more answers
Most organisms (including you) break down organic compounds to obtain energy and nutritional building blocks. In contrast, chemo
kaheart [24]

Answer: Carbon dioxide

Explanation:

The chemolithophs are the prokaryotes which uses inorganic matter in order to make organic materials for the other processes.

These organism get energy by the oxidation of the inorganic compounds. The   organism such as human beings breaks down the organic compounds in order to get energy and nutritional building block.

The macro molecule used by the organism is carbon dioxide.

8 0
3 years ago
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