Where in a plant would you find a fruit?

1 answer:

7 0

The fruit is the ripened ovary of a plant containing the seeds. After fertilization, the ovary swells and becomes either fleshy or hard and dry to protect the developing seeds. Many fruits help seeds spread (maple seeds).

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1 Explain how substances are transported into and out of cells through diffusion, osmosis

spin [16.1K]

Answer:

Dissolved or gaseous substances have to pass through the cell membrane to get into or out of a cell. Diffusion occurs when particles spread. ... They move from a region where they are in high concentration to a region where they are in low concentration.

Explanation:

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6 0

4 years ago

Most organisms can move from their home territory to new sites in a process called

tekilochka [14]

<span>Most organisms can move from their home territory to new sites in a process called MIGRATION. A lot of animals do this like birds and fish, because they need to find warmer temperatures where they can breed and survive. When animals do not have this capacity, they won't be able to adapt within their given environment and mortality rates might go up. </span>

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4 years ago

Sebaceous glands, associated with hair follicles, produce a thick, oily substance by releasing the entire cell and its contents.

lbvjy [14]

Answer:

This type of secretion is known as Holocrine. Whereby the entire cell and content is released

5 0

3 years ago

Two populations of frog species are separated by a group of mountains. A tunnel is built through the mountains, through which so

Vinvika [58]

Answer:

Post reproductive isolation → Hybrid sterility

Explanation:

The biological concept of species states that individuals of a species can not mate and reproduce with individuals of another species. But if they get to reproduce, the progeny will not be viable or fertile. There will not be any reproductive success.

There are different reproductive isolation mechanisms, which are barriers that inhibit or interrupt the genetic flow between different species.

Reproductive barriers are isolation mechanisms that prevent mating between two or more species. The prezygotic mechanism avoids fertilization between individuals of different species, while the postzygotic mechanism impedes the zygote to develop and reach the adult stage.

Postzygotic mechanisms or barriers include

Hybrid inviability,
Hybrid sterility,
Hybrid decreased viability or fertility,
Cytoplasmic interactions.

In the exposed example, it seems that the mountains separating the frogs´ populations made a place for the development of postzygotic barriers, specifically hybrid sterility. Frogs from one population get to mate and produce offspring with the frogs of the other population, but their progeny is sterile.

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3 years ago

The vaccine for chickenpox is: select one:

Alexxandr [17]

C. alive. The vaccine contains a live strain of varicella-zoster (chicken pox) virus which has been attenuated so that it will stimulates the immune system but does not cause any disease in healthy people.

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3 years ago