A factor that is manipulated in an experiment is a dependent variable.a. True
b. False

Answers

Answer 1

Answer: False. The dependent variable is the response variable while the Independent is the manipulated variable.

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Predict the offspring for a cross of True-Breeding Lineage (BBEE x bbee

Answers

they will be of the same species same offspring

Weightlifters are often concerned with the amount of protein in their diets because growing muscles require protein. Just as muscles need the basic building block of protein, protein itself also has basic building blocks. Which of the following are the building blocks of protein?

Answers

Amino acid is the basic building block of proteins; when linked together, amino acids form specific proteins. There are more than 50 known amino acids, but only 20 are used in making proteins and only 9 are considered essential.

Adrenal glands in males release _____, which are secreted during puberty.testosterone
androgens
estrogen
progesterone

Answers

Answer: The correct answer for the blank is - Answer: The correct answer for the blank is -

testosterone.

Explanation:

Testosterone is an androgen that is producedby the gonads (particularly by the Leydig cells that are in testes of males and by the ovaries of females) as well as by an enocrine gland called adrenal gland. It is a hormone that stimulates the development of male characteristics during puberty such as increase of height, growth of body hairs and pubic, penis enlargement, change in the voice etc.

Thus, testosterone is the right answer.

Answer:

Testosterone is the answer.

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Which is a lymphocyte? A. Urethra B. B cell C. Amylase D. Macrophage

Answers

Answer:

B cell

Explanation:

A lymphocyte count is usually part of a peripheral complete blood cell count and is expressed as the percentage of lymphocytes to the total number of white blood cells counted. A general increase in the number of lymphocytes is known as lymphocytosis, whereas a decrease is known as lymphocytopenia.

The model of evolutionary change in which different species slowly develop in a step-by-step fashion is called

Answers

The answer is gradualism.

Gradualism describes the rates of speciation. It means that evolutionary changes in species are slow, gradual and continuous process.
For example, size changes of elephants' ears. Elephants use their ears as a protection from the sun and to keep them cool. Over many years, a population of elephants will develop larger ears. These larger ears will become a characteristic trait in the population after many years.

Answer:

The answer is Gradualism.

Explanation:

In gradualism, gradual change over a long period of time leads to species formation.

The process of natural selection relies on variation within a population or species and occurs when - A. organisms that exhibit favorable adaptations increase in number compared to those less adapted, and therefor increase their chances of passing along favorable traits to future generations

B. asexual organisms are the result of the process of natural selection

C. organisms that have traits which are not helpful continue to reproduce and carry-on those traits