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3 years ago

Which of the following describes a cnidarian with a polyp body form?

Biology

1 answer:

Triss [41]3 years ago

3 0

Answer:

a tube-like body attached to a firm surface with tentacles on the opposite side of the attachment, surrounding the animal's mouth

Explanation:

A polyp is a type of body structure that a cnidarian can assume. The cnidarians, in turn, are invetebrate animals of aquatic life. This group of animals includes jellyfish, corals and sea anemones.

In polyp form, cnidarians are not actively moving, although some do move when they feel threatened. This is because they appear as a tubular structure, with one end fixed to the sea floor. The other end presents the animal's mouth, which is surrounded by tentacles that are responsible for capturing the prey needed for food.

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Gold has a specific heat of 0.129 J/(g×°C). How many joules of heat energy are required to raise the temperature of 15 grams of

Elodia [21]

Answer:

$\boxed {\boxed {\sf 121.905 \ J }}$

Explanation:

We are asked to find the energy given mass, specific heat, and change in temperature. Therefore, we must use this formula;

$q= mc \Delta T$

The mass is 15 grams and the specific heat is 0.129 J/(g×°C). Let's calculate the change in temperature.

ΔT= final temperature - initial temperature
ΔT= 85 °C- 22°C = 63°C

Now we know all the values:

$m= 15 \ g \ \\c= 0.129 \ J / (g* \textdegree C) \\\Delta T= 63 \ \textdegree C$

Substitue the values into the formula.

$q= (15 \ g)( 0.129 \ J / (g* \textdegree C)) ( 63 \ \textdegree C)$

Multiply the first numbers together. The grams will cancel.

$q= (1.935 \ J/ \textdegree C) ( 63 \ \textdegree C)$

Multiply again, this time the degrees Celsius cancels.

$q= 121.905 \ J$

<u>121.905 Joules</u> are required.

5 0

2 years ago

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During mating season, male sheep produce hormones that make them aggressive. This is an _____ effect.

Sati [7]

The answer would be Activational <span />

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3 years ago

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A DNA strand has the sequence ATCGGC. Which is the complementary strand of DNA?

LuckyWell [14K]

Answer:

TAGCCG

Explanation:

The sequence matches up with the corresponding Bases

A-T, C-G

4 0

3 years ago

In a prokaryotic cells most ribosomes are

solniwko [45]

Answer:

<h2>Proteins even make up most of your hair. ... While a structure such as a nucleus is only found in eukaryotes, every cell needs ribosomes to manufacture proteins. Since there are no membrane-bound organelles in prokaryotes, the ribosomes float free in the cytosol. Ribosomes are found in many places around a eukaryotic cell.</h2>

<em>This isn't my answer, BUT, you can read more about the prokaryotic cells and their functions, and what they're made up of here at this website: </em>

<em />

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3 years ago

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Predict what will happen to a fish if its gills are torn after being caught in a net.<br>

viva [34]

Answer:

It will die.

Explanation:

Fish need functional gills to live.

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3 years ago