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pychu [463]
3 years ago
5

Read the given list of organisms.

Biology
1 answer:
garik1379 [7]3 years ago
6 0

These are carnivores, as they obtain food from other animals. I just took the test. :)

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humans enjoy eating largemouth bass what would happen if the fishing industry fished every largemouth bass out of the ecosystem
Kruka [31]

Then they would go extinct

we would not be able to eat them anymore

and the food chain will get messed up because some animals eat the large mouth bass and now they cant, and also the animals that the large mouth bass eats will overpopulate because the large mouth bass isn't there to eat them

6 0
3 years ago
How and why might the R0 value change over time during an outbreak? pls help
Stolb23 [73]

Answer:

Vaccinations

Explanation:

For example, if a disease has an R0 of 18, a person who has the disease will transmit it to an average of 18 other people. That replication will continue if no one has been vaccinated against the disease or is already immune to it in their community. So if you have (for example) a vaccination then you're less likely to get it, resulting in a lower R0

6 0
2 years ago
When roots take up mineral ions, they are built up against their concentration gradient. both anion and cation transport utilize
attashe74 [19]
I believe the answer is B, primary active transport. Root hair cells in plant use active transport to absorb mineral ions such as nitrates from the soil. The concentrations of minerals in the soil are lower in the soil than in within the root hair cell, therefore the transport will be against the concentration gradient which does not favor diffusion, therefore the pant has to use active transport.
6 0
3 years ago
In the F2 generation of Mendel’s crosses, options all plants had the dominant trait. half of the plants had the dominant allele.
Artemon [7]

Answer:

one in four plants had two alleles for the recessive trait

Explanation:

Hope it helps.

8 0
3 years ago
Comparing the structures of the carotenes to the chlorophylls, which (the carotenes or the chlorophylls) are more polar? Which (
natali 33 [55]

Answer:

Carotenes are less polar and would elute first.

Explanation:

Carotenes are organic compounds like chlorophyll, they are responsible for the orange color in carrot. So, while chlorophyll is green, carotene is orange in color.

In terms of structure, carotene is a hydrocarbon (made up of carbon and hydrogen chains), making it non-polar. On the other hand, chlorophyll (made up of carbon, hydrogen, oxygen, nitrogen, magnesium) is more polar.

Chromatography is a separation technique used to separate two or more mixtures. The working principle is based on how fast each solute travels. So in column chromatography, the components of the mixture travel through a column (e.g a burette) at different speed. The less polar component travels faster.

So far a mixture of carotene and chlorophyll, the less polar carotene will travel faster than the more polar chlorophyll. Therefore, carotene will elute first.

7 0
3 years ago
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