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Ronch [10]
3 years ago
15

HELP ME MARKING BRANELIST

Biology
1 answer:
sergij07 [2.7K]3 years ago
5 0

Answer:

I think the answers probably b

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EOC Biology STAAR prep
expeople1 [14]
The correct answer is option B

Species interactions are categorized based on their reciprocal effects (the effects that the interaction has on each species/individual involved).

1. Bees pollinate plants as they move from flower to flower collecting pollen.

This is a mutualistic relationship because the both species involved in this interaction benefit from the interaction. The bee benefits because it obtains nectar which is provided by the plant. The plant benefits because the bee carries the plants pollen to other plants, allowing the plant to reproduce.

2. Green algae grow on the backs of spider crabs living in shallow water.

This is another example of a mutualistic relationship because both species involved in this interaction benefit from the interaction. The spider crab benefits from the camouflage that the algal growth provides, while the algae benefits from the protection from predators provided by the spider crab.

3. Fleas living on skin of dogs and obtaining nutrients from dogs blood.

This is a parasitic relationship because one of the species benefits from the interaction while the other species in negatively impacted by the interaction. The flea benefits from the nutrients obtained from the dogs blood while the dog is negatively impacted by the fleas presence (loss of blood, discomfort).

4. Nitrogen-fixing bacteria obtain nutrients from host plants and use the nitrogen to supply host plants with nitrogen.

This is an example of mutualism because both species in this interaction are benefitting from the interaction. The nitrogen fixing bacteria benefit by receiving nutrients from the host plant while the host plant is benefitting from receiving nitrogen from the bacteria.

Feel free to comment and ask any additional questions.
8 0
3 years ago
For each of the formulas, classify the formula as either an empirical formula, a molecular formula, or both. NaHCO3 empirical mo
shutvik [7]

Answer:

Both

Explanation:

Baking soda is the common name of  sodium bicarbonate or sodium hydrogen carbonate. Both the empirical and molecular formula of sodium bicaronate is NaHCO3 .

Baking soda is soluble in water and has a molar mass of almost Molar mass: 84.007 g/mol.

If we look at molecular formula of NaHCO3, it has molar ratio of 1:1:1:3 and we can say that every thing in this molar ratio make whole mass as : 23g +1 g +12 g+48 g= 84 grams.

Since we know that empirical formula demonstrates the simplest ratio of elements present in a compound and molecular formula demonstrates the total molar ratio of each element in a compound, hence we see that its empirical and molecular formulas both are already simple because they have simplest ratio which cannot be simplified further.

Hope it help!



4 0
3 years ago
Read 2 more answers
What is the energy needed to pump sodium outside the cell in active transport?
mestny [16]
If the concentration of sodium outside the cell is more than inside , so to take out the sodium , ATP is used as the cells has to work against concentration gradient !

You can see this in Neurons as a example ! There is sodium pump to throw sodium out of cell !!
3 0
4 years ago
What is the purpose of mitosis?
Cerrena [4.2K]

。☆✼★ ━━━━━━━━━━━━━━  ☾

The correct option would be D. replace damaged cells.

Genetic diversity would apply to meiosis not mitosis.

Have A Nice Day ❤  

Stay Brainly! ヅ  

- Ally ✧  

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4 0
3 years ago
Read 2 more answers
Compared to the Jovian planets in our solar system, the terrestrial planets have
djyliett [7]

Answer:

The main atmosphere of terrestrial planets is a gaseous mix of carbon dioxide and nitrogen gases and all of terrestrial planets have rocky surfaces. Jovian planets are larger and further from the sun and rotate faster and have more moons,rings, and have less dense cores than terrestrial planets.

3 0
3 years ago
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