BIOLOGY HIGH SCHOOL

Normally, only female cats have the tortoiseshell phenotype. this is most likely because

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Answer 1
Answer: Females have 2 X chromosomes as males have one x and one y. The two X chromosomes may carry different alleles for hair color. On one x it may be black on the other x it may be orange. Usually in females one of the x,s is turned off in each cell. So this is why you have female cats that are calico colored meaning some orange some black. The black Allele might be turned on in some parts of there coat and vs.

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MIDDLE SCHOOL

A food web is shown below.

In this food web, energy is transferred directly from the

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Answer:

In the food web energy is being directly transferred from "one organism to another."

Explanation:

In the food web energy is being directly transferred from one organism to another. Plants utilizes the sunlight during photosynthesis and are able to prepare there own food.The organisms those who obtained the energy and utilized it from sun are the producers.  The food web has various other parts like, The sun which gives the sunlight are being utilized by the plants for production of the food, next are the producers, after that comes the consumers who takes the energy from the producers and in the final their comes the decomposers.

Answer:

1st blank: impala

2nd blank: Cheetah

HIGH SCHOOL

Georgio is jogging barefoot along the beach when he suddenly steps on the sharp edge of a broken shell. he instantly feels pain due to the message carried to his brain by ____. he then slowly walks home with an achy foot. the message of the ache is carried b

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Georgio instantly feels pain due to the message carried to his brain by myelinated axons.  The message of the ache is carried by unmyelinated axons.
The myelinated axon is highly "insulated" axon that receives input and transmit impulse quickly.
The purpose of the naked axon with larger dendritic field which is called unmyelinated axon is to receive as much input as possible.

HIGH SCHOOL

How does Surface Runoff affect Nutrients in the Soil? It'd help me if you could explain what exactly is Surface Runoff firstly, and lastly what causes it to occur?

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Surface runoff is a term used to describe when soil is infiltrated to full capacity and excess water, from rain, snowmelt, or other sources flow over the land. This is a major component of the water cycle or the hydrological cycle.
HIGH SCHOOL

A botanist performs a series of experiments in which she radioactively labeled different possible sources of hydrogen available for use by plants. When she later examines photosynthetically derived compounds from the plants, she will find that their hydrogen came from

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Answer:

Water (H2O)

Explanation:

Photosynthesis is a process that forms organic sugars such as glucose. It occurs during dark reactions. Sugars have atoms of carbon, oxygen, and hydrogen. For the purpose, atmospheric CO2 serves as a source of carbon while water molecules serve as a source of hydrogen atoms. When water molecules with radio-labeled hydrogen atoms are supplied to plants, the radioactivity can be seen in the glucose formed by the process of photosynthesis.

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