How are traits inherited?

1 answer:

7 0

An offspring inherits traits from it's parent. You get alleles from both your parents, some dominant and some recessive, and you inherit the traits of the dominant allele.

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Which spinal root is responsible for conveying motor or efferent information from the spinal cord to the body?

nika2105 [10]

Answer:

The spinal cord is divided into 31 segments that send nerve rootlets out into the body through intervertebral foramen. These neurons travel into the spinal cord via the dorsal roots. Ventral roots consist of axons from motor neurons, which bring information to the periphery from cell bodies within the CNS.

Explanation:

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3 years ago

All living things require ______ and _______to maintain a high level of organization

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Answer: a light source (sun) and water

Explanation:

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For most terrestrial ecosystems, pyramids of numbers, biomass, and energy are essentially the same-they have a broad base and a

GaryK [48]

Answer:

b. at each step, energy is lost from the system as a result of keeping the organisms alive

Explanation:

Generally Ecological pyramids helps to visualise the structure of Ecosystem.Its diagrammatically showed the relative amounts of numbers of organisms ,their energy, and the amount of energy that is converted in living tissue as usable mass (biomass) at different tropic levels.

Basically, large amount of energy is lost as energy flow from one tropic level to another in an ecosystem. This can be explained with the second law of thermodynamics; which states that in the conversion of energy from one form to another in a system, there is always a tendency towards disorderliness.That is the entropy changes of the universe can never be negative.Relatively in a biological system, this means that energy is lost in metabolic process( glycolysis, chemeosmosis, assimilation, growth .......) as heat, as organisms at one tropic level is consumed by another at the next level, from the base to the peak of these pyramids.

The amount of energy transfer efficiency among the two successive tropic levels is obtained by dividing the energy transfer at present tropic level with the energy transfer at previous tropic levels and mutiply the results by 100% . This known as Tropic level transfer efficiency(TLTE) .

The lower energy efficiency between successful present and previous tropic levels in these pyramids accounts for the similarities.

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4 years ago

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Natural selection is the answer. Natural selection is a process which organisms adapt more in their surroundings to survive longer. Therefore, when certain traits increase the likelihood of an animal living a long life, it is referred to as natural selection.

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4 years ago

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