BIOLOGY HIGH SCHOOL

Which activity would be within the field of biology?a. measuring the amount of time it takes light to reach earth from the distant star
b. doing research how plastic affect the environment
c. study on the manufacture of plastic bags.
d. studying the mechanics of how ships release waste

Answers

Answer 1
Answer: (B) Doing research how plastic affect the environment is the activity that would be within the field of Biology.
Biology is the study of life. Environment includes the surroundings and the lives involved on it. Therefore, plastic affect both the surrounding and the lives of every living creature.

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Which of the following describes natural selection? A. A population of mammals lives near the water, water levels rise and the habitat becomes swampy, the animals have trouble moving in the water, the population changes to a shorter-legged type so they can move more easily in the water B. A population of mammals lives near the water, water levels rise and the habitat becomes swampy, the act of swimming shortens the legs of the mammals, the offspring of the mammals have shorter legs C. Water levels rise and a habitat becomes swampy, a population on high ground observes the change, individuals with shorter legs migrate to the area D. A population of mammals varies in the length of their legs, water levels rise and the habitat becomes swampy, the individuals with shorter legs are better able to swim to food, the population evolves to become shorter-legged 1 points

What units can be used to measure density?

Answers

Answer:

Kilogram per cubic meter

Explanation:

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How do LED lights differ from fluorescent lights?LEDs emit light by concentrating wavelengths of light; fluorescent bulbs emit light because of heat.
LEDs emit light because of energized solids; fluorescent bulbs emit light because UV light interacts with a phosphor coating.
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Answers

i had a question like this so i'm rolling with (B)

Which trilobite characteristic did not change through time?

Answers

The answer is a presence of three lobes.

The name trilobite means three lobes. Their body is divided into three lobes - a central axial and two pleural lobes. This characteristic did not change through time and it can be found between all fossils. But, some changes are noticed regarding the eyes size, shape, and position, suture position, as well as a number of body segments and spine.

number of spines

Explanation:

What is cryptograms​

Answers

Answer:

A cryptogram is a type of puzzle that consists of a short piece of encrypted text. Generally the cipher used to encrypt the text is simple enough that the cryptogram can be solved by hand. Substitution ciphers where each letter is replaced by a different letter or number are frequently used.

Mendel’s pea plants had either purple or white flowers. This means that the plants

Answers

The answer is the plants have two alleles of the gene.

A gene is a section of a chromosome that typically contains the code for a particular protein, in this case, for flower color. An allele is one of two or more alternative forms of a gene. In this example, there are two alternative forms of the gene for flower color. The presence of two alternative forms implies there must be two alleles of the gene. 

The correct answer is C) two alleles for the gene.

Which planet shows evidence of water erosion

Answers

Mars is the only other planet that shows evidence of water erosion. 
Only two planets shows evidence of water erosion.
The earth.
Mars.


Answer: Mars and the earth. 
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