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Nutka1998 [239]
3 years ago
9

Which statement correctly describes two organ systems working together when the body increases its movement?

Biology
1 answer:
saveliy_v [14]3 years ago
4 0

Answer:

d. the circulator system picks up more carbon..........

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Dna testing was commonly used in forensic science beginning in the 1920s. True or false?
Molodets [167]

Answer:

False.

Explanation:

I am almost entirely sure that DNA testing had not been discovered at this time, but regardless of whether that is true, the very first criminal case that DNA testing was used in occurred in 1985. So no, it was not used commonly in the 20's.

8 0
3 years ago
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How do structures and functions of organisms vary in different kingdoms????
Alexxx [7]

Answer:

With millions of different kinds of organisms in the world, scientists must find order in all of this diversity. Scientists group living organisms into one or more of a few major categories as part discipline known as taxonomy. The bodies of organisms are organized into functional systems—cells are organized into tissues, and tissues are organized into organs. Body systems carry out critical functions, such as locomotion, reproduction, digestion, and circulation. All living things on Earth are composed of the same carbon-based, molecular building blocks.

\bf \huge \red{F} \bf \pink{O}\bf \purple{L}\bf \blue{L}\bf \green{O}\bf \red{W} \: \bf \pink{x} \bf \purple{I} \bf \blue{t} \bf \green{z} \bf \red{M} \bf \pink{u} \bf \purple{s} \bf \blue{k} \bf \green{x}

6 0
3 years ago
How is The environment on Mars different from that of Earth’s?
Pavlova-9 [17]

Answer:

  • Mars is about half the size of Earth by diameter and has a much thinner atmosphere, with an atmospheric volume less than 1% of Earth's. The atmosphere of Mars is about 100 times thinner than Earth's, and it is 95 percent carbon dioxide.
  • The atmospheric composition is also significantly different: primarily carbon dioxide-based, while Earth's is rich in nitrogen and oxygen.
  • Because of the differences in atmospheric densities and distances from the sun, the temperature within the atmosphere are also wildly different. Earth generally ranges from 14 degrees Celsius to 70.0 degrees, whereas Mars ranges from -146 degrees C to -140 degrees C.
  • Both planets have a silicate mantle surrounding their cores and a surface crust of solid material.
  • Earth and Mars’ both have terrains that varies considerably from place to place.

Explanation:

5 0
2 years ago
Read 2 more answers
In Year 1, suppose a new predator that could not differentiate between the light green and dark-green lizards was introduced on
Oksanka [162]

Answer:

C. The ratio would not show any changes in the following year.

Explanation:

Since the introduced (and only) predator can not differentiate between the tone of the lizards (dark and light), you can assume it will feed from them in an equal proportion, so the ratio between dark green and light green lizards will not be affected.

6 0
3 years ago
Which of the following statements about archaea are true cowan?A) They are prokaryotes.B) They lack peptidoglycan in their cell
Veseljchak [2.6K]

Answer:

All the options are true except option D.

Explanation:

Archaea are a group of prokaryotic organisms i.e. they lack a membrane bound nucleus. They are one of the the three domains of life (the other two being bacteria and eukarya). Archeans possess a cell wall like bacteria but it is not composed of peptidoglycan, like bacteria cell wall.

Archeans are generally known to be found in very severe environmental conditions, hence, they are referred to as extremophiles e.g Some are thermoacidophiles i.e. thrive in very hot and acidic environment while others are extreme halophiles i.e. thrive in salty regions. Archeans known as methanogens produce methane gas as a product of metabolism from carbon dioxide and hydrogen.

However, the domain archeae was only found to be in existence recently after the domain bacteria, hence, they are not considered to evolve before the domain bacteria.

3 0
3 years ago
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