BIOLOGY HIGH SCHOOL

Justin in looking at 2 chromosomes that have identical alleles for particular trait. these chromosomes are considered what

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Answer 1
Answer: Justin is looking at two chromosomes that have identical alleles for particular traits, these chromosomes are considered homozygous. Homozygous alleles are those that have alternative form of a given gene. It may be recessive or dominant. The dominant trait is represeted by capital letters while the recessive trait is represented by small letters.
Answer 2
Answer:

C. h -> <- h


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Which of these is always part of using the scientific method

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What are the options? The scientific method includes asking a question, doing background research, forming a hypothesis, doing an experiment, analyzing your data and drawing a conclusion 

According to the theory of evolution, what characteristics do all living organisms share suggesting that all life-forms on earth arose from a single ancestor?a. they share a common organic chemistry.
b. they exhibit the same basic cell wall.
c. they perform the same mode of reproduction.
d. they have dna within their nucleus.

Answers

Answer;

D. they have DNA within their nucleus.

Explanation;

-According to evolutionary theory, diverse groups of animals evolve from one or a few common ancestors and the mechanism by which this evolution takes place is natural selection.

-Natural selection is the process by which traits that enhance survival and reproduction become more common in successive generations of a population.

-All forms of life are built of cells. A cell is the basic unit of the structure and function of living things. Living things may appear very different from one another on the outside, but their cells are very similar.

Help please1. Summarize two harmful effects of acid rain

2. Predicting outcome how will the depletion of the ozone layer affect human health

3. Describe the greenhouse effect and its effect on the earth's climate

Answers

To answer one: the acid in acid rain is harmful for the plants and animals who drink it (inhaling acids isn't too fun). It can be very dangerous for those who ingest it. Acid rain also wears down many rocks, ruining classical architecture and some older buildings

Which of the following is true of brackish water?The salinity of the water can vary with the tides.
There is usually more fresh water than salt water.
Very few organisms can survive in brackish waters.
It is most common in the deepest region of the ocean.

HELP PLEASE

Answers

Answer:

there is usually more fresh water than salt water

Explanation:

Answer:

B

Explanation:

Which valences have the greatest tendency to form ions? +1 -1 +2 -2 +3 -3 +4 -4

Answers

Answer:

+1, -1, +2, -2, +3, and -3 are the answers :)

Explanation:

Answer:

+1,-1,+2,-2,+3,-3

Explanation:

Which of the following accurately describes a characteristic of fungi?a. Parasitic fungi often form symbiotic relationships with algae to form lichens.B. Mutualistic fungi form symbiotic relationships with plants to form mycorrhizae.C. Parasitic fungi are responsible for helpful benefits to plants.D. Mutualistic fungi are responsible for producing some human diseases.

Answers

B is the correct answer!
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