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malfutka [58]
3 years ago
15

What are eggs with tough protective shells developed for?

Biology
1 answer:
Salsk061 [2.6K]3 years ago
8 0
To protect them for predators, parasites, and germs<span />
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4 years ago
Cell drinking; cell eating. Both are modeled here and are examples of A) osmosis. B) diffusion. C) endocytosis. Eliminate D) fac
N76 [4]

Answer;

-Endocytosis

Explanation;

-Endocytosis includes; phagocytosis, pinocytosis, and receptor mediated: Endocytosis brings substances into the cell, plasma membrane surrounds the substances to be taken in, encloses them in a membrane-bound sac (vesicle) and brings them into the cell

-Phagocytosis: endocytosis of large solid particles (“cell eating”)

-Pinocytosis: endocytosis of extracellular fluid that contains dissolved solutes (“cell drinking”)

-Receptor-mediated: highly selective, ligands bind to specific receptor proteins on the plasma membrane and are then taken into the cell

-Exocytosis: the reverse of endocytosis: substances are removed from the cell; vesicles fuse with plasma membrane and release their contents into the extracellular fluid; important in nerve cells to release neurotransmitter and secretory cells to release cell products (ex. digestive enzymes, protein hormones).

5 0
3 years ago
If fertilized, an ovary becomes a(n):<br> O Fruit<br> O Stigma<br> O Receptacle<br> Seed
postnew [5]

Answer:

Option A Fruit

Explanation:

After fertilisation, the female parts of the flower develop into a fruit: the ovary wall becomes the rest of the fruit.

6 0
3 years ago
1. What special structures are specific to the phylums of Porifera, Cnidaria, Ctenophora, and Platyhelminthes?
Marysya12 [62]

some of the special structures in the members of these phylum as follows:

Members of porifera are sponges. they have collar cells and cellular -level body organization. Cnidarian have stinging cells present on the tentacles around the mouth. Ctenophorans have comb-like plate cells for swimming. Platyhelminthes - members are first to have sensory and nervous tissue in the head region.


5 0
3 years ago
3. Name a biological process that is an endothermic reaction?<br> I need this rn
Mrrafil [7]

Answer:

Melting ice cubes. Melting solid salts. Sublimation of dry ice into carbon dioxide gas. Evaporating liquid water.

Explanation:

5 0
3 years ago
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