Black eyes (B) are dominant to red eyes (b) in mice. Use a Punnett square to cross two heterozygous parents. What are the possible genotypes?
A. bb
B. BB and Bb
C. BB, Bb, and bb
D. Bb and bb

Answer:

Prokaryotic Cell Eukaryotic cell

Mitochondria absent Mitochondria present

Cytoskeleton absent Cytoskeleton present

Ribosomes smaller Ribosomes larger

Explanation:

two types of cells are found in the organisms: eukaryotic and prokaryotic depending on whether cells contain membrane-bound organelles or not.

Answer:

Vitamins are used in their original form by the cells. They are either water soluble or fat soluble, hence no enzyme is required to digest vitamins. They are absorbed directly from the digestive tract, transported by blood to the cells, and the cells absorb and use them whenever they need.

Answer:

option b is the right one

Answer:

slower and started moving in place

Explanation:

Only one letter is different between the human gene and the chimpanzee gene.

A gene is a term to refer to the molecular unit of genetic inheritance that is composed of deoxyribonucleic acid, that is,

Man and chimpanzee share 99% of their genes. However, there are important genetic differences for us to be a different species from chimpanzees. Well, the change of a single nitrogenous base and differentiates the gene of a chimpanzee from the gene of a human.

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Answer: 60 degrees the front is cold so it would be 60 degrees in Virginia the next day

ExplanationExplanation:

Based on the consistant pressure that the front seems to be causing, temperatures will become cooler. Based on the four choices provided, only one makes the temperature cooler which is A.

This front seems to be making its appearance during the overnight hours, therefore causing colder temperatures the morning following. With temperatures being 68 degrees at the time, the external temperature will be cooler than 68 degrees.

The temperature at tropic region is warmer than the polar temperatures due to angle of the sun.

The tropics which is located near the equator are hotter than the arctic region i.e. north and south poles because the sunlight falls directly on the tropic regions at 90 degrees while on the other hand, the sunlight falls on the poles not directly and form angle lower than 90 degrees.

The amount of solar energy in a given area is greater at the equator and tropic regions than in an equal area at the poles so that's why the temperature at tropic region is warmer than the polar temperatures.

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Answer:

if you're trying to find x then the answer would be x=1 b/c 2 times 1 and 2=2

Explanation:

Answer: C

Explanation: TOOK THE TEST

PLS MARK BRAINLIEST

As you increase in altitude, there are fewer air molecules. Due to the lower amounts of air molecules, the atmospheric pressure decreases causing the air to be harder to breath in.

Answer:

1) the law of segregation

2) the law of independent assortment

Explanation:

Answer:

The answer is change and mutation!

Hope this helps!

Explanation:

Answer:

it's a carbohydrate

Explanation:

Sucrose (which is known as a table sugar) is a very common disaccharide, which is made up of the monomers glucose and fructose.

Any change that occurs at any link of a trophic web will affect the other links. The two specific populations that most likely increased in number after the mountain lion population decreased are rabbits and deers.  

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The trophic web is a relationship process between different organisms, through which occurs transference of energy. The ones placed at lower levels pass energy to the ones at the higher levels.

Organisms at each level feed on the preceding one and become food for the next one.

As it is a web, all organisms are equilibrated until a change occurs.

When the change affects any of the involved links, there can be a cascade effect on the web.

A change in a link population size (increasing or decreasing) will affect the superior links and the immediately anterior link.

Also, when two or more species are competing for the same source of food, a change in any of the population sizes will affect the other ones.

According to the provided trophic web, puma feeds on deer and rabbit.

Since puma was killed, their population size sharply decreased.

This fact followed the predator-prey cycle, in which the predator regulates the prey population size and vice-versa. When there is a decrease in the predator population size, the prey population increases in size because of the absence of their natural predators.

In the absence of puma, deer and rabbits increase their population size. They live in an environment with no predators and enough resources.

The number of individuals of each species increased, and the amount of food consumed increased too.

This change negatively affected grasses and grains, which were over-consumed. Also, crickets and mice were affected too because they compete for the same food source.

So, cascade effects would be as follows,

1) The decreased in the puma population size caused an increase in the deer and rabbit population size.

2) The increase in the deer and rabbit population size caused a decrease in the grains and grasses species population, because they were over consumed.

3) The decrease in grains and grasses caused a decrease in the cricket and mouse population, because they feed on the first ones, competing with deer and  rabbits for food.

The two specific populations that most likely increased in number after the mountain lion population decreased are rabbits and deers.  

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Answer:

C

Explanation:

Semi means partly

permeable means allowing liquids or gases to pass through it

Semipermeable means allowing some, but not all, liquids or gases to pass through it.

Answer:

c) It is a barrier with tiny openings that let some, but not all, materials pass through.

Explanation:

The prefix "semi-" means "some; partially". "Permeable" means "allow to pass through". Using your knowledge of the purpose of the membrane and the meaning of the word "semi-permeable", you would use context to come to the conclusion that the correct answer is c) It is a barrier with tiny openings that let some, but not all, materials pass through.

Answer:

B, Step 2 and 3.

Explanation:

Once you rub a balloon against your hair and try to slowly remove it, your hair will be pulled towards the balloon like a magnet. This is because the balloon charged your hair and your hair was then able to get attracted to the balloon, the same applies to the fork.

The future consequence of the use of wind energy on the environment is as follows: weather affects the quality of the wind.

Wind energy is a renewable energy source that involves harnessing the wind with windmills or wind turbines to supply mechanical or electrical energy.

Although wind energy release little or no pollution into the environment, it has downsides that can affect its usage.

One future consequence of the use of wind energy on the environment is that weather affects the quality of the wind.

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First image shows a stationary organism whereas the second image indicates predator.

The first picture represents a leaf structure which is a part of plant and we know that plant is a stationary organism means it can't move from one place to another so that's why it is called a stationary organism.

While on the other hand, the second picture represents predator due to the presence of sharp teeth which helps the predators in catching and tearing of prey so we can conclude that first image shows a stationary organism whereas the second image indicates predator.

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Answer:

1. walked in two legs

2. crawled and burrowed

3. was a stationary organism

4. was a predator

Explanation:

The two-word term used to describe the annual shopping and sports is Black Friday.

From the United States (U.S.) financial history, the two-term word black Friday was first used in 1869.

The first annual black Friday occured in Philadelphia in which alot of retailers attracted their key customers and made profits through the discount they placed on their products.

Black Friday was used to describe the financial crisis after the United States's gold market crashed.

Literally, black should depict something negative or loss but on the contrary, the business world uses black to describe profit.

Therefore, the two-word term used to describe the annual shopping and sports is Black Friday.

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Answer:

Systemic Physiology

Explanation:

It is the study of the function of specific organ systems.

Answer:

The study of the function of specific organ systems is called Physiology, while Anatomy is the study of the actual structures within an organism.

-TheUnknownScientist 72

Algae blooms are caused by an oversupply of nutrients like to water bodies, causing eutrophication. In the exposed example, a reason for the high levels of phosphorus is option B. Cow pastures.

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Eutrophication is a biological process produced in water by an oversupply of nutrients or organic matter.

The source of these high nutrient levels, especially nitrogen and phosphorus, are anthropogenic activities.

This oversupply favors phytoplankton multiplication, especially cyanobacteria.

Cyanobacteria can grow in seawater, but blooms mainly occur in freshwater where the salinity level is low.

These algae species that affect freshwater bodies are microscopic, photosynthetic organisms.

Blooms of cyanobacteria reflect the sanity state of water and its abiotic characteristics. They cause severe disasters in water biota and affect human health.

This overgrowth leads to an enhance in primary productivity and reduces the pass of radiation to deeper strata. This fact affects biota in deeper zones.

Gradually sedimentation begins, caused by the death of some vegetable organisms that sink in the bottom.

These sediments suffer decomposition in the presence of oxygen.

When oxygen disappears, anaerobic bacteria act and produce fermentation.

Phytoplankton overgrowth on the surface and fermentation process in the bottom, originate toxic compounds that can damage the animals in the water body and humans that get in touch with this water.

Animals die, creating more sediments in the bottom where there are anaerobic conditions.

The lack of oxygen and light continued to increase in decomposition, and fermentation produces a bad smell and toxicity.

Concerning the sources of nutrients that might be causing these events, we can mention, among others, cow pasture.

Cow pasture increases the levels of phosphorous on the ground, which ends in water streams, and from there to ponds or lakes.

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Answer: cow pasture

Explanation:

Answer:

Phosphorus moves in a cycle through rocks, water, soil and sediments and organisms. Over time, rain and weathering cause rocks to release phosphate ions and other minerals. This inorganic phosphate is then distributed in soils and water.

Answer:

is affected ( has the trait)

Explanation:

Answer:

Between 10am and 4pm

Explanation:

This is when the sun is at its higest point, allowing it to radiate more UV rays on your skin.

Answer:

during the time btw 10 am to 4 pm because sun is scorching at that time so you should seek shade btw this time

Answer:

The answer is B.) Geothermal

your a complete diputs head are you thats so easy bro