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djyliett [7]
3 years ago
8

An advantage of a complete digestive system over a gastrovascular cavity is that the complete system _____.A) excludes the need

for extracellular digestionB) allows for specialized regions with specialized functionsC) allows extensive branchingD) facilitates intracellular digestion
Biology
1 answer:
babunello [35]3 years ago
6 0

Answer:

B. Allows for specialized regions with specialized functions

Explanation:

Where the complete digestive system has different specialized regions to perform specialized functions, the gastrovascular cavity is the primary organ of digestion and circulation in two major animal phyla: the Cnidaria (including jellyfish and corals) and Platyhelminthes (flatworms).

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Theodor W. Engelmann illuminated a filament of algae with light that passed through a prism, thus exposing different segments of
WARRIOR [948]

Answer:

The correct answer is C and Engelmann conducted this experiment to prove relationship between algae and the rate of photosynthesis.

Explanation: First we must talk about 3 facts:

1) Prism scatters the white light into different wavelengths.

2) Photosynthesis, 6 carbon dioxide and 6 water molecules are consumed and 6 oxygen and 1 sugar molecule is synthesized using light energy.

6CO2 + 6H2O → C6H12O6 + 6O2

3) Aerobic bacteria breaks down sugar while using oxygen and produces water and carbon dioxide in simplified terms.

So with this experimental setup a researcher can understand the rate of the photosynthesis by increased accumulation of aerobic bacteria near algae  in certain wavelengths since they uses oxygen and tend to move close to the oxygen source (<u>see figure</u>). In this experiment there are no ways to measure heat (B), there is no known relation between wavelength of light and aerobic respiration since it can happen even in the dark (A) and finally there are no ways to measure carbon dioxide (D).

5 0
3 years ago
What type of organism uses cellular respiration for their cellular energy needs?
suter [353]

Answer: Oxygen is required for cellular respiration and is used to break down nutrients, like sugar, to generate ATP (energy) and carbon dioxide and water (waste). Organisms from all kingdoms of life, including bacteria, archaea, plants, protists, animals, and fungi, can use cellular respiration.

Explanation:

8 0
3 years ago
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I need help with 4 through 7. Brainliest and 100points to someone
wel

Answer:

4. Molecules are groups of atoms that have chemically bonded together.

5. Groups of different types of cells make up the organs

6.  Glucose is a type of chemical reaction, and the overall metabolism of an organism includes thousands of chemical reactions.

7. Yes, The smooth functioning of a complex organism is the result of all it various parts working together.

Hope this helped!

3 0
3 years ago
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Convergent evolution suggests different organisms evolved _____ due to _____.
allochka39001 [22]
Convergent evolution suggests different organisms evolved similarly due to similar environments.
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3 years ago
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Lesechka [4]

Answer:

C

Explanation:

because there is not enough surface area to grow more

7 0
3 years ago
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