As early as the 9th century, it was suggested when organisms change, they may be better ____________.

Answers

Answer 1

Answer:

Answer:

As early as the 9th century, it was suggested when organisms change, they may be better adapting to survive.

Explanation:

Natural selection, also called Survival of the Fittest, is the process in which the environment influences the fitness of species: organisms that change to adapt better to the conditions they live in, have longer lives and reproduce to leave offspring with the same positive traits.

Two very important people in the development of Evolution Theory are Lamarck (he came up with the theory of acquired characteristics) and Darwin (applied the 'survival of the fittest' to every organism on Earth).

Answer 2

Answer:

1. Adapt to Survive 2.Lamark 3.Malthus

Related Questions

Which plant cell structure stores large amounts of chemicals—including salts, minerals, proteins, and water—for the cell and helps the cell maintain its shape?
Enzymes and antibodies have different functions, but both are types of ____________.lipidsproteinscarbohydratesNextReset
Everything here looks so changed.
One way that fossils form by the dead organism's soft tissue is ________ by sediments such as sand.A. repairedB. replacedC. preservedD. bonded
What is the definition of photosynthesis?a) the process of converting the energy in carbohydrate molecules into ATPb) the process of changing light into stored chemical energy in the form of lipidsc) the process of changing light into stored chemical energy in the form of sugarsd) the process of converting the energy in oxygen molecules into ATP

A sorting device that is useful in classifying by observation is a _____. dichotomy wedge taxon key

Answers

Answer;

Key

A sorting device that is useful in classifying by observation is a key.

Explanation;

Classification key or taxonomic key is a device that is used by scientists to identify unknown organisms.

They are constructed so that the user gets a series of choices about the characteristics of the unknown organisms.Thus, by making the correct choice at each step, one is led to the identity of the specimen.

Therefore, keys can be used to identify a living organism or determine which group it belongs to by answering questions on the key about characteristics of living things.

The answer is taxon.

A cell membrane is very specific about what it allows across. How does this help the cell?A. The cell works better when it contains fewer protein
B. It helps the cell absorb as many different molecules as possible
C. It is better for the cell if most molecules are prevented from entering
D. Transports protein only allow enzymes to pass through the membrane

Answers

It is better for the cell if most molecules are prevented from entering.

The cell membrane is called semi permeable so it allow selective substances to pass through it.

What is cell membrane?

The cell membrane, also called the plasma membrane, is found in all cells and separates the interior of the cell from the outside environment.
The cell membrane consists of a lipid bilayer that is semipermeable.
The cell membrane regulates the transport of materials entering and exiting the cell.

What are the functions of cell membrane?

The cell membrane, therefore, has two functions:

To be a barrier keeping the constituents of the cell in and unwanted substances out.

To be a gate allowing transport into the cell of essential nutrients and movement from the cell of waste products.

To know more about cell membrane here

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C)It is better for the cell if most molecules are prevented from entering
This is a theory that is known for this question.

The cranial cavity and the vertebral canal contain the __________.

Answers

The cranial cavity and the vertebral canal contain the spinal cord

Vertebrae is the synonym of spine. Inside the spine, there will be spinal cord protected by the nearby bone. Spinal cord will divided into many smaller cords after leaving the spine and spread through the body to carry signal from/to the brain. Without the spinal cord, the brain will not be able to reach and control the body.

Final answer:

The cranial cavity and vertebral canal contain the brain and spinal cord, respectively, which make up the central nervous system and are protected by cerebrospinal fluid.

Explanation:

The cranial cavity and the vertebral canal contain the central nervous system, which includes the brain and the spinal cord respectively. Vertebrate animals have two major body cavities: the dorsal cavity and the ventral cavity. The dorsal cavity contains the cranial cavity, which fills most of the upper part of the skull and houses the brain, and the spinal cavity, also known as the vertebral canal, which is a long, narrow cavity inside the vertebral column that contains the spinal cord. These two cavities are continuous with one another, forming a protective environment for the central nervous system complemented by cerebrospinal fluid, which acts as a cushion and circulates through both cavities and their contained structures.

Learn more about Cranial and Spinal Cavities here:

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Which best describes the order of actions by RNA polymerase?a. Makes mRNA from DNA, detaches, binds to DNA
b. Makes mRNA from DNA, binds to DNA, detaches
c. Binds to DNA, detaches, makes mRNA from DNA
d. Binds to DNA, makes mRNA from DNA, detaches

Answers

The answer is d. Binds to DNA, makes mRNA from DNA, detaches.

RNA polymerase is an enzyme involved in transcription, a process of copying DNA into messenger RNA (mRNA). In the transcription, RNA polymerase first binds to DNA separating its two strands. Then, it adds ribonucleotides to the complementary nucleotides on DNA strand and, thus, it makes mRNA from DNA. After mRNA is synthesized, RNA polymerase detaches from DNA, freeing the new mRNA.

Answer:

D. Binds to DNA, makes mRNA from DNA, detaches.

Explanation:

So i'm doing some test stuff and im kind of sucky at science sooocan someone help me?

Question 1
The excretory system lets go of wastes in the body.
A. True
B. False

Question 2
The endocrine system includes organs such as the:
A. Stomach and intestines.
B. Arms and legs.
C. Spinal cord
D. Bones and muscle

Question 3

The digestive system usually involves breaking down food in order for a body to use it as an energy source. (im pretty sure i know this one...)
A. True
B. False

Question 4
Which body system has a main focus on the heart, blood and veins?
A. Skeletal
B. Urinary
C. Circulatory
D. Nervous
Question 5
Which body system deals mainly with the lungs?
A. Respiratory
B. Circulatory
C. Excretory
D. Skeletal
thats all

Answers

I'll do my best to help you pal!
1)True
2)A
3)A
4)C
5)A
Good Luck!

Which nutrients function as coenzymes and are needed in only small amounts?

Answers

Answer:

Vitamins

Explanation:

The organic molecules which are needed by the organisms in small amounts in order to maintain the proper functioning of the metabolic processes of organisms are known as vitamins.

There are various biochemical functions that the vitamins perform in the body of organisms. As for example some functions have been mentioned below -

Vitamin A regulated cell growth and tissue differentiation.
Vitamin D regulates the mineral metabolism for the bones.
Vitamin B complex functions as a coenzyme.
Vitamin C and E both function as the antioxidants in the body of organisms.

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Movement of dissolved particles across a semipermeable membrane from *high* to *low* concentration

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In general, plant sources of protein provide _____absorbable forms of iron, zinc, and calcium as compared to animal protein sources.

How does the brain size of humans compare to what is expected based on their body size? A) Human brain size is smaller than expected. B) Human brain size is larger than expected. C) Human brain size is exactly as expected. D) Human brain size is unrelated to body size.