Which of the following statements is true? Bones protect internal organs and help the body move. Bones are connected to each other by tendons. The knee is an example of a fixed joint. Muscles that bend a joint are extensors, and those that straighten a joint are flexors.

Answers

Answer 1

Answer: Bones protect internal organs and help the body move.

Answer 2

Answer:

The correct answer is A.

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The heart, liver, and stomach are each examples ofA. a tissue.
B. an organ.
C. an organ system.
D. a nerve.

Answers

They are examples of organs.

The answer is B.an organ.

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Based on scientific research, which statement best describes mutations?

Answers

Answer:

A Mutation occurs when a DNA gene is damaged or changed in such a way as to alter the genetic message carried by that gene. A Mutagen is an agent of substance that can bring about a permanent alteration to the physical composition of a DNA gene such that the genetic message is changed.

Explanation:

What are marks left in rocks of once-living organisms called?

Answers

Fossils!!!!!!!!!!!!!!!!!!!!!!!!! ^-^

The answer is fossils

Patterns of ____ indicate how age at death influences population size:a. death rate
b. age structure --b is not it I know that
c. survivorship
d. logistic growth

Answers

The answer is letter A.

Death rate refers to the measure of the number of deaths in a particular population. It is scaled to the size of the population per unit of time. Which generally includes death from specific age groups and causes. It is typically expressed in units of death per 1,000 individuals in a year. It could also indicate how age at death influences population size or otherwise known as “morbidity or mortality rate.” The unit may also change if certain diseases are taken into consideration for the count.

Patterns of __C_____ indicate how age at death influences population size.

When rocks crack parallel to the surface of the rock it is called ___?

Answers

The process in which rocks crack parallel to the surface of the rock is called exfoliation

A major difference between eukaryotes and prokaryotes is that __________. A major difference between eukaryotes and prokaryotes is that __________. some eukaryotic cells live in areas of temperature extremes whereas prokaryotic cells cannot prokaryotic cell structure is much more complex than eukaryotic cell structure eukaryotes were the first cell type on Earth eukaryotic cells contain the genetic material DNA whereas prokaryotic cells contain RNA eukaryotes' survival is limited to a few environments whereas prokaryotes have adapted to a variety of environments

Answers

Answer:

All life on Earth consists of either eukaryotic cells or prokaryotic cells. Prokaryotes were the first form of life. Scientists believe that eukaryotes evolved from prokaryotes around 2.7 billion years ago.

The primary distinction between these two types of organisms is that eukaryotic cells have a membrane-bound nucleus and prokaryotic cells do not. The nucleus is where eukaryotes store their genetic information. In prokaryotes, DNA is bundled together in the nucleoid region, but it is not stored within a membrane-bound nucleus.

The nucleus is only one of many membrane-bound organelles in eukaryotes. Prokaryotes, on the other hand, have no membrane-bound organelles. Another important difference is the DNA structure. Eukaryote DNA consists of multiple molecules of double-stranded linear DNA, while that of prokaryotes is double-stranded and circular.

Explanation:

Other Questions

Roots have all of the following functions EXCEPT to ____.a. anchor the plant c. store food b. absorb water d. make food

in chickens, congenital baldness is due to a z-linked recessive gene. a bald rooster is mated with a normal hen. the f1 from this cross are interbred to produce the f2. give the genotypes and phenotypes, along with their expected proportion for the f1 and f2 progeny.

A Richter Scale reading of 7 is how many times greater that a reading of 6?2x5x10x100x

The movement of H+ through the ATP synthase is best described as an example of __________. The movement of H+ through the ATP synthase is best described as an example of __________. simple diffusion hydrolysis active transport facilitated diffusion