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4 years ago

I NEED HELP

2 answers:

6 0

Some cnidarians are single organisms; whereas, others are colonial. Jellyfish can reproduce either asexually, by budding, or sexually. The polyp stage is anchored to the ocean bottom. As the polyp grows, it produces saucer-shaped medusae that break away from it. These medusae swim freely and feed by catching small organisms. Jellyfish spend most of their lives as a medusa. Medusae are either male or female.

timama [110]4 years ago

4 0

When jellyfish are attached to coastal reefs they have a stalked (polyp) phase and a jellyfish (medusa) phase, when they float among the plankton. The jellyfish eggs are fertilized internally and develop into free-swimming planula larvae during the medusa stage. The medusa stage is the reproductive stage. The larvae will then settle on the sea floor after a brief period of floating around the water surface. The larvae will attach themselves at one end, there they then develop into polyps and grow. During the months of spring, some of the polyps will start to bud off immature jellyfish also knows as ephyra larvae. They then grow into mature jellyfish. :)

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How does water enter the paramecium?

SCORPION-xisa [38]

Answer:

Hey there!

The paramecium receives water through a process known as osmosis, where the water outside the paramecium passes through the paramecium's cell membrane.

Let me know if this helps :)

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4 years ago

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noname [10]

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3 years ago

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4 years ago

NeX [460]

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7 0

3 years ago

Triangle ABC is an equilateral triangle with side lengths labeled a, b, and c. Triangle A B C is an equilateral triangle. The le

kirill115 [55]

Answer:

One-half b c sine (60 degrees)

One-half a squared sine (60 degrees)

StartFraction a b sine (60 degrees) Over 2 EndFraction

Explanation:

The area rule states that the area of any triangle is equal to half the product of the lengths of the two sides of the triangle multiplied by the sine of the angle included by the two sides.

From the question, Equilateral triangle refer to a triangle with equal angle and equal sides. The sum of an angle in a triangle = 180°; this implies that each angles have 60°.

∴ the three options that defines the expressions that represent the are of triangle ABC are:

One-half b c sine (60 degrees)

i.e $\frac{1}{2}bcsin60^{0}$

One-half a squared sine (60 degrees) ; if the two opposite sides posses the same parameters.

i.e $\frac{1}{2}a^{2}sin60^{0}$

StartFraction a b sine (60 degrees) Over 2 EndFraction

i.e $\frac{absin60^{0}}{2}$

8 0

4 years ago

Read 2 more answers