Gradualism is a pattern of evolution in whichA. a single species evolves into several closely related species.
B. several distantly related species develop similarities.
C. a species evolves at a slow, steady pace.
D. a species has periods of little evolution interrupted by periods of rapid evolution.

Mass extinction would most likely result from which of the following events?
A. A disease kills off a single species of predator within an ecosystem.
B. A wildfire burns a national park.
C. Global temperatures drop several degrees after several massive volcanic eruptions.
D. A massive earthquake strikes North America.

Answers

Answer 1

Answer: 1. C. a species evolves at a slow, steady pace.

Gradualism, is the process by which a certain specie or creature undergo changes and variations in a limited and solely focusedly confined in long period of time.

2. A. A disease kills off a single species of predator within an ecosystem.

Mass extinction is a massive and global elimination in a certain specie or species. It doesn’t involve itself only in a secured and measurable area but it impacts the whole large-scale of population as a whole.

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How dose an atom become an ion

Answers

An atom becomes an Ion (a) if it gains one or more electron(s) or (b) if it loses one or more electron(s). When it gains electrons it becomes negatively charged and is called an anion. When it loses electron(s) it becomes positively charged and is called a cation.

A major freeway runs along a stretch of the ocean shore. Over time, scientists begin tonotice a decrease in the number of intertidal organisms. Which of the following is the most
likely cause of the problem?
O A. toxic waste spilled during accidents on the
road
B. runoff of oil and other chemicals from the
road
C. wastewater from the city across the
freeway
O D. Any or all of the above could be causing
the problem.

Answers

Answer:

D. Any or all of the above could be causing the problem.

Explanation:

Pollution has been said to have adverse effect on living organisms. In this question, a decrease in number of intertidal organisms has been observed. Since a major freeway runs along a stretch of the ocean shore, the most likely cause of the death of the intertidal organisms is the release of any form of toxic waste into the water body.

Oil pollutants causes death of living organisms by hindering the entrance of oxygen into the water body. It makes it difficult for oxygen, which is a requirement for life, to penetrate the water body. Hence, living organisms in the water body will suffocate and die.

Toxic wastes also causes the death of organisms when ingested in excess. Waste water causes deterioration in the oxygen content of the water body. Hence, any or all of the above options can likely cause the reduction in number of the intertidal organisms.

How do viruses differ from bacteria, fungi, and parasites?

Answers

Viruses are added to the microorganisms group, but not all researcher agree that are living organisms. This is because outside of a living cell are viruses are inert.
A very important difference in comparacy to bacteria, fungi and parasites is that viruses have ONLY one type of nucleic acid (DNA or RNA, never both).

"A researcher has determined that a newly identified protein can bind to a virus. This marks the virus for destruction by white blood cells."What type of monomer will the researcher discover after subjugating the molecule to hydrolysis?
a. fatty acid
b. amino acid
c. nucleotide
d. monosaccharide

Answers

B. Amino acid because I researched it

Transgenic organisms can express the foreign genes because all organisms are based on the same

Answers

Answer:

genetic engineering is possible because all organisms are based on the same. genetic code. scientists can study the effect of turning off a gene by using. gene knockout ... a ring of bacterial dna with foreign DNA inserted ... transgenic organisms can express the foreign genes because all organisms are bases on the same.

Explanation:

The------------ is the layer of the atmosphere where particles of air can escape into space A troposphere
B stratosphere
C mesosphere
D exosphere

The ---------- is directly above the troposphere

A stratosphere
B mesosphere
C exosphere
D troposphere

Please help me with these two thank you

Answers

D. Exosphere

A. Mesosphere

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