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Svetlanka [38]
2 years ago
15

- 7th Grade Work -

Biology
2 answers:
OLEGan [10]2 years ago
7 0
We depend on the food chain and lower tier animals in order to feed other animals. It both keeps the ecosystem populations balanced whilst helping out all of the organisms
Nat2105 [25]2 years ago
4 0

Explanation:

Human health ultimately depends upon ecosystem products and services (such as availability of fresh water, food and fuel sources) which are requisite for good human health and productive livelihoods. Significant direct human health impacts can occur if ecosystem services are no longer adequate to meet social needs.

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Which cell type is produced by mitosis?
amid [387]

Answer: B

Explanation:

Mitosis produces two diploid (2n) somatic cells that are genetically identical to each other and the original parent cell, whereas meiosis produces four haploid (n) gametes that are genetically unique from each other and the original parent (germ) cell.

6 0
3 years ago
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What is the process of cell division in prokaryotes?
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Cell division<span> is part of the life cycle of virtually all</span>cells<span>. </span>Cell division<span> is the </span>process<span> in which one </span>cell<span>divides to form two new </span>cells<span>. Most </span>prokaryotic cells<span>divide by the </span>process<span> of binary fission. In eukaryotes,</span>cell division<span> occurs in two major steps: mitosis and cytokinesis.</span>
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3 years ago
Know the 5 cardiovascular factors influencing blood pressure?
Lera25 [3.4K]
Cardiac output, peripheral resistance, hormonal changes coming from glands, blood volume & blood viscosity
3 0
3 years ago
Please help 100 points
xeze [42]

Answer:

1. Carbohydrates - It serves several key functions in your body. They provide you with energy for daily tasks and are the primary fuel source for your brain's high energy demands. Fiber is a special type of carb that helps promote good digestive health and may lower your risk of heart disease and diabetes.

2. Protein- You use protein to make enzymes, hormones, and other body chemicals. Your body also uses protein to build and repair tissues. Protein is an important building block of bones, muscles, cartilage, skin, and blood.

3. Lipids - This is essential for all life on Earth. They play many important roles in maintaining the health of an organism. Arguably the most important function lipids perform is as the building blocks of cellular membranes. Other functions include energy storage, insulation, cellular communication and protection

4. Nucleic acids are very important for cell functioning, and therefore for life. There are two types of nucleic acids, DNA and RNA. Together, they keep track of hereditary information in a cell so that the cell can maintain itself, grow, create offspring and perform any specialized functions it's meant to do.

5 0
3 years ago
Which activity does a local health department perform when providing health and environmental services?
balandron [24]

Answer:

Explanation:

Local health department links up patient with adequate health care needed especially area where good health facilities is reduces and cannot be access, they prevent spread of disease by given immunizations.

They also help in avoiding spread of diseases and infections by working with other health agencies to create awareness.

In the environment, some of them ensure access to to good and clean water, they develop plans when emergency cases arises and during disaster.

8 0
3 years ago
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