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Elza [17]
3 years ago
14

A leech feeding off of human blood is an example of 1

Biology
1 answer:
RoseWind [281]3 years ago
8 0

Answer:

Parasitism

Explanation:

Here, the leech benefits a meal from the human, but the human is harmed by losing blood.  Therefore, it is a parasitic relationship.

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What do the results of the agar blocks indicate about the relationship between cell size and diffusion rate
Natasha_Volkova [10]

Answer:

Knowledge of the relationship between the size (volume) of cells and their surface area helps explain the process of diffusion. Agar blocks and cells with the largest surface area to volume ratio (the smaller cubes) have the highest diffusion rates.

Explanation:

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3 years ago
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Which of the following is likely abiotic limiting factor of fish in a pond ecosystem? pollution
Korvikt [17]

Pollution :) Since Abiotic means non living.

Bacteria: Living

Food (worms or smaller fish): Living

Predators: Living

Pollution (dirt, trash, or other stuff): Non Living

3 0
3 years ago
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This earth system is concerned with all life on the planet
Nutka1998 [239]

Answer:

The Biosphere

Explanation:

The biosphere is made up of all living organisms and is inextricably linked to the other three spheres: most live organisms need gases from the atmosphere, water from the hydrosphere, and nutrients and minerals from the geosphere.

6 0
2 years ago
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Classify the planets based on their composition.
Darina [25.2K]

Answer:

Terrestrial  - Mercury, Venus, Earth, and Mars

Gas Giants  - Jupiter, Saturn, Uranus, and Neptune

Ice Giants - Uranus and Neptune

Explanation:

Gas plants are the planets that are composed mostly of the gases in them such as helium and hydrogen found in Saturn and Jupiter planets there are four planets known as the gas giants that are Jupiter, Saturn, Uranus, and Neptune. However, Uranus and Neptune planets are known as ice giants as these two planets are cold and remote and made up of completely different gases from the other two gas giants.

Terrestrial planets are the planets that are more rocky and compact in terms of their surface and these planets are inner planets of our solar system that are Mercury, Venus, Earth, and Mars.

3 0
2 years ago
A gene for disease resistance in fir trees is transferred to pine trees using modern DNA technology. How might this be economica
artcher [175]
<span>D) More pine trees would live to maturity, increasing lumber output. This is the right answer hope this helps</span>
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