Organisms within a population must compete for resources to survive.

Answers

Answer 1

Answer: True. Charles Darwins once said " Survival of the fittest" so all animals compete with one another for food and resources to survive.

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17. How is modeling useful to scientists? It illustrates possible outcomes of an experiment. It predicts which hypothesis is correct. It represents data collected from an experiment. It creates a representation of something difficult to see.
At the base of the brain is the _____, which controls the pituitary gland and maintains homeostasis.

Minerals found in the B horizon were dissolved in water and carried there by a process called ____.a. oxidation
c. weathering
b. leaching
d. littering

Answers

The correct answer for the question that is being presented above is this one: "b. leaching." Minerals found in the B horizon were dissolved in water and carried there by a process called leaching. Leaching refers to the loss or extraction of certain materials from a carrier into a liquid .

Answer;

b. leaching

Minerals found in the B horizon were dissolved in water and carried there by a process called leaching

Explanation;

Leaching is the process in which minerals are dissolved in water and carried down in a soil profile.
Leaching occurs as a result of heavy rainfall, high temperature and percolation, which leads to loss of mineral and organic solutes.
The process occurs when air spaces in soil become filled with water and gravity begins to move water downward. Some soils such as Laterite soils develop due as a result of leaching.

Types of eye movements: What are *saccade eye movements*?

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Explanation:

what are energy transformation

Which of the processes discussed in this lesson had led to the many varieties of dogs that excist today

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Humans have been intentionally causing similar changes in other species for thousands of years. The process of breeding organisms with the most desirable traits is called selective breeding.

One difference between mitochondria and chloroplasts is

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mitochondria produce water from oxygen while chloroplasts produce oxygen from water. I just did it and got it wrong because of the answer below. So mad.

chloroplasts are found in plant cells and mitochondria aren't

The Siberian Husky is a medium dog, weighing between 16-27kg (35-60lbs). These dogs have strong pectoral and leg muscles, allowing them to move through dense snow. If they had heavier muscles, they would sink deeper into the snow and move slower. Yet, if they had lighter muscles, they would not be strong enough to pull sleds and equipment. This is an example of which type of natural selection? A)Directional selection B)Stabilizing selection C)Disruptive selection

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Your answer is B.
Directional selection is not right, because this has nothing to do with direction.
Disruptive is not correct, because the dog keeps on moving, not stop because of its weight.

According to Mendel’s law of dominance, which statement best describes the result of a cross between parents with genotypes Rr and Rr?

Answers

Answer:

C: All offspring with at least one R will have red flowers.

Explanation:

Mendel's Law of Dominance states that: “In a cross of parents that are pure for contrasting traits, only one form of the trait will appear in the next generation. Offspring that are hybrid for a trait will have only the dominant trait in the phenotype.”

This simply means that if there exists two contrasting traits (I.e Rr), one of the traits will always suppress the other, thereby expressing itself. R suppresses r, thus making the offspring with big R have red flowers. The trait is called a dominating trait and the suppressed is called recessive trait.

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Which events are likely to be catastrophic to an ecosystem?select the three correct answers.A-hurricane.B-steady population growth.C-seasonal flooding.D-introducing of an aggressive invasive species.E-tsunami.

When a liquid is cooled, the kinetic energy of the particles(answer) . The force of attraction between the particles(answer) , the space between the particles(answer) , and the matter changes its state to solid.

What type of protein helps molecules move through acell membrane?

Summers that are hot, humid, and rainy, winters that are below freezing with a lot of snow, 50-100 frost free days/year, and precipitation ranges from 12-33 inches/year are all abiotic characteristics of the _______ biome.a. chaparral b. tundra c. arctic d. taiga