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andriy [413]
3 years ago
10

What is the "goal" of an element in bonding chemically (what does it need to do to be stable"

Biology
1 answer:
Tresset [83]3 years ago
7 0
Each atom wants to follow the octet rule and have eight electrons in the valence
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A true-breeding pea plant with round, green seeds was crossed to a true-breeding plant with wrinkled, yellow seeds. Round and ye
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Answer:

See explanations

Explanation:

Gregor Mendel developed the model of heredity that now bears his name by experiments on various charactersitics of pea plants: height (tall vs. Short); seed color (yellow vs. Green); seat coat (smooth vs. wrinkled), etc. The following explanation uses the tall/short trait. The other traits Mendel studied can be substituted for tall and short.

Mendel started out with plants that "bred true". That is, when tall plants were self-pollinated (or cross-pollinated with others like them), plants in following generations were all tall; when the short plants were self-pollinated (or cross- pollinated with others like them) the plants in following generations were all short.

Mendel found that if true breeding Tall [T] plants are crossed (bred) with true breeding short [t] plants, all the next generation of plants, called F1, are all tall.

Next, he showed that self-pollinated F1 plants (or cross- pollinated with other F1 plants) produce an F2 generation with 3/4 of the plants tall and 1/4 short.

A. 1/4 of the F2 generation are short plants, which produce only short plants in the F3 generation, if they are self- pollinated (or crossed with other short F2 plants;) these F2 plants breed true.

B, 1/4 of the F2 generation (1/3 of the tall plants) are tall plants that produce only tall plants in the F3 generation, if they are self-pollinated; these tall F2 plants breed true.

C. 1/2 of the F2 generation (2/3 of the tall plants) are tall plants that produce 1/4 short plants and 3/4 tall plants in the next [F3] generation, if they are self-pollinated. This is the same proportion of tall to short that F1 plants produce.

3 0
3 years ago
Explain and illustrate how the long-term survival
Alisiya [41]

Answer and Explanation:

When there is limitation to resurces, there are behavioural activities that organisms perform like clustering, coiling, burrowing, migration, hibernation and aestivation.

Migration is seen in many homoitherms where there is movement over long distances to avoid unfavourable climatic factors and food shortage. During cold weather, large mammals survive by hibernating. They go into deep sleep and metabolic rate falls to the minimum required for maintaining the vital activities of the cells.

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Please help me with this question:)
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Answer:

Pokaryote is the right answer.

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In which scientific study would an ecologist take part?
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D. Observe how coral colonized a sunken ship. Ecologists look at how a whole ecology develops and maintains itself, so in this case, the coral on the sunken ship would be a whole ecology and the person studying it would be an ecologist.
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2 years ago
A plant is always considered a(n)<br> -<br> -
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Answer:

Plants are mainly multicellular,  of the kind exemplified by trees, shrubs, herbs, grasses, ferns, and mosses, typically growing in a permanent site, absorbing water and inorganic substances through its roots, and synthesizing nutrients in its leaves by photosynthesis using the green pigment chlorophyll.

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<em>Hope this helps!!!</em>

<3 <em>Good luck</em>

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