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jolli1 [7]
3 years ago
15

Can someone please help me with this?

Biology
1 answer:
mihalych1998 [28]3 years ago
5 0
1. "What makes certain people faster than others?"

2. Sally was concerned after she noticed her friend was faster than her.

3. The height of Sally's classmates

4. I would say quantitative because it is the time in numbers it took each person to run the mile.

5. The heights of her classmates, how much they excersize, etc.

6. Everyone ran one mile, all of the classmates are girls, etc.

7. There is no control group.

8. There was only one trial in this experiment.
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plays the role in skeletal muscle movement

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When is cladistics more useful than Linnaean taxonomy?
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<span>When is cladistics more useful than Linnaean taxonomy? 

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Explain how the Prunnett square can be used to predict the probability that an offspring from such a cross has a given phenotype
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A punnet square is used to visually see the dominant and recessive traits. Mendel's law says that alleles pair independently during the formation of gametes (aka sex cells). This means that traits are transmitted to offspring independently of one another.
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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
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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.

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3 years ago
Why do plants at the bottom of a pond grow better than plants at the bottom of a lake
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Since ponds are typically shallower than lakes, this allows more sunlight to reach pond plants than lake plants. By getting my sunlight, these pond plants can photosynthesize more efficiently.

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