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expeople1 [14]
3 years ago
10

Please help !!!!!!!!!!!

Biology
2 answers:
zavuch27 [327]3 years ago
8 0

plant cells have cell walls, chloroplasts, and large central vacuoles, which animal cells have none of these (they have vacuoles, but not on the same scale). animal cells have lysomes which isnt found in plant cells.

i also want to say that its way too funny that the teacher had to write that to stop stupid answers. lol

scoundrel [369]3 years ago
8 0
Plant cells can be larger than animal cells. The normal range for animal cell varies from 10 to 30 micrometers while while that for a plant cell stretches from 10 to 100 micrometers. Beyond size, the main structural differences between plant and animal cells lie in a few additional structures found in plant cells. These structures include: chloroplasts, the cell wall, and vacuoles. In animal cells, the mitochondria produces the majority of the cells energy from food. It does not have the same function in plant cells.
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Explain the biological structure hierarchy of the human body and the role of homeostasis in maintaining the body. Include the fo
Nuetrik [128]

Answer:

1. Biological structure of the human body

The human body is organized in different levels according to their complexity.

The levels are the folowing (increasing complexity).

1. Atom (N, O, C,..)

2. Molecule (Protein, lipids, water...)

3. Organelle (mitochondria, golgi apparatus,...)

4. Cell (blood cells, bone cell,..)

5. Tissue (connective tissue, epithelial tissue,..)

6. Organ (lungs, kidney,..)

7. Organ system (skeletal system, muscuar system,...)

8. Organism (the human body)

Each of the levels is formed by an agrupation of the previous level. For example, cells are formed by a number of organelles, and a group of cells form a tissue.

Cells are the basic units of structure of the body, and there are different types of them.

2. Homeostasis

Homeostasis is a process of the body by which the organism works to maintain a stable internal environment, while adjusting to changes in the external environment.

This process is possible because of the work of both the nervous system and the endocrine system. While the first controles the body's activities and detects the necesity of adjustments, the second regulates the activities by using hormones.

6 0
1 year ago
How did prostitutes prevent pregnancy in the old west?
bazaltina [42]

Hello, that is a very good question!


Back then there was no such thing as 'birth-control', hence they never actually prevented pregnancies, of course there were services that provided 'different' penetration but that could also result in pregnancies.


The popular method of not giving birth [prevent pregnancy] was to kill the baby while still carrying [termination], in other words have a miscarriage.

There many various methods during that time (herbs, beating, old cloth hanger).


Hope this helped,

j548831


8 0
3 years ago
Chromosomes move to the middle of the spindle during what phase
egoroff_w [7]
During mitosis, chromosomes move to the middle of the spindle during metaphase. Mitosis is a type of cell division in which the parent cell divides into two daughter cells with each daughter cell receiving the same number of chromosomes as the parent cell. Mitosis has the following phases: prophase, metaphase, anaphase and telophase.
3 0
3 years ago
Use the drop down menu's to identify the labeled organelles in the plant cell to the right ​
m_a_m_a [10]

Answer AND Explanation:

A  Sap vacuole

B Cell wall

C Chloroplast

D Starch granule

5 0
3 years ago
Read 2 more answers
Natural selection relies on genetic variation. In any population of beetles, there are alleles for brown or green color. What ha
Savatey [412]

The correct order for natural selection can be summarized as:

1. Inherited variation: Individuals among the population exhibit inherited variation such as body color, body size, hair colors, voice properties, et cetera.

For example, the population of beetles: an equal number of green and brown beetles.

2. Competition: Organisms face the struggle for their survival.

For example, Natural habitat is in trees. Green leaves hide green beetles.  

The brown beetles are noticed by birds in the area.

Birds eat brown beetles.

3. Selection: It leads to differential reproduction, that is, the organisms with adaptive traits tend to survive and reproduce more.

For example, green beetles reproduce in greater number than brown beetles.

4. Adaptation: The organisms with survival traits tend to survive more and pass their traits to the future generation.

For example, more green beetles survive than brown beetles.

5. Evolution: The change in allele frequency of the population takes place.

For example, beetle population changes from brown and green to mostly green beetles.

Thus, the correct order would be:

1. The population of beetles: an equal number of green and brown beetles.

2. Natural habitat is in trees. Green leaves hide green beetles.  

3. The brown beetles are noticed by birds in the area.

4. Birds eat brown beetles.

5. Green beetles reproduce in greater number than brown beetles.

6. More green beetles survive than brown beetles.

7. Beetle population changes from brown and green to mostly green beetles

8 0
3 years ago
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