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Feliz [49]
3 years ago
5

How did humans first alter crops? What method are scientists using today to change crops?

Biology
1 answer:
Luden [163]3 years ago
8 0
The methods they are using now and days is cross fertalization. To make certain types of crops, and better/best celling crops
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Which parts of the body assessed by the nurse would confirm a diagnosis of frostbite? select all that apply?
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Which resource is not provided to living things from either the carbon or water cycle? A. food B. ability to change skin color C
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At the beginning of Unit 3 we saw the example of the pygmy seahorse, whose offspring can change their body color, depending on t
Brut [27]

Answer:

Seahorses are between the sea animals that may modification color. Such variations camouflage the creatures if not obscure or perhaps frighten possible predators. Color variations facilitate seahorse’s link emotions and intentions, particularly throughout suit. Whereas these alterations are stunning and infrequently seem seamless, they're truly the merchandise of complicated interactions between the seahorse's brain and small organs carried within its skin.

Anatomy

Seahorse organelles, known as chromatophores, are enclosed at intervals their skins. These tiny, sack like organs contain variety of pigments and may expand or consent response to a spread of stimuli, inflicting the seahorse to vary color. Typically, seahorses carry solely a couple of chromatophore diversities, so completely different colors are created through the blending and matching of accessible pigments.

Building Color

All of the colours to that a seahorse will modification are derived from 3 or four basic stains contained in several chromatophores. The pigment cells of those chromatophores are sometimes stacked on prime of every alternative or clustered along in teams. the colour a seahorse displays is predicated on sort, combination and attentiveness of those cells, moreover as their proximity to the skin's surface.

Brightness and Tone

Muscles hooked up to chromatophores will push stain cells toward, or pull coloring cells off from, the surface of a seahorse's skin. Once the coloring is on the point of the skin's surface, the animal's color is brighter and splendid. In turn, once the pigment attracts off from the skin's surface, the ensuing color is a smaller amount saturated and somewhat boring.

Speed of modification

Depending on the stimulant that causes a seahorse to vary its color, chromatophores are measured by the seahorse's system or by its secretion fluctuations. once the system activates chromatophores, comparable to in life-and-death things, the animal's color changes quickly. once chromatophores are activated by secretion fluctuations, comparable to once a seahorse is suit a mate, the animal's color in its place changes somewhat slowly.

Both of them aren't subjected to action because the color modification in ocean horse are influenced by system and secretion system.

8 0
3 years ago
What organelle goes where?? help please!!
maria [59]

Answer:

I the organelle goes to the second row on the left

4 0
3 years ago
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