1. Which of the following is not a characteristic of natural selection?

A. More offspring are born than will survive to reproduce.

B. Mutations appear randomly.

C. Breeding pairs are chosen by humans.

D. Organisms that are better adapted are more likely to survive.

2. Which of the following statements are true about artificial selection.

A. Breeders can control which animals mate.

B. Breeders can control what mutations will appear in the offspring.

C. Both A and B are true.

D. Neither A nor B is true.

Answers

Answer 1

Answer:

1. C

2. A

Explanation:


Related Questions

please help me im really stuck and don't know the answer

Answers

I think the answer is d

the main function of the kidnenly is​

Answers

Most people know that a major function of the kidneys is to remove waste products and excess fluid from the body. These waste products and excess fluid are removed through the urine. The production of urine involves highly complex steps of excretion and re-absorption.

Why do Komodo dragons and red-tailed boas have so many differences, even though they share a
common ancestor?
Komodo dragon differences
legs
jagged teeth
armored skin
somewhat flexible body
jaw not flexible
Red tailed boas differences
no legs
teeth not jagged
no armored skin
very flexible body
flexible jaw that can open very wide

Answers

Answer:

Read this PDF it may help

Explanation:

Order Urodela has amphibian with aquatic and terrestrial species with very flexible bodies, has a tail, and retains its juvenile features throughout its life.

What is terrestrial species?

An animal or plant that lives on land or in the ground, as opposed to the sea, trees, or the air, is said to be terrestrial. There are occasionally aquatic and terrestrial animals seen sleeping next to each other under a loose stone.

These animals can run quickly because the majority of them have legs. They must move quickly to capture their prey or avoid being an animal's next meal (predators). Komodo dragons and red-tailed boas have so many differences, even though they share a common ancestor.

Therefore, Order Urodela has amphibian with aquatic and terrestrial species with very flexible bodies, has a tail, and retains its juvenile features throughout its life.

Therefore, Order Urodela has amphibian with aquatic and terrestrial species with very flexible bodies, has a tail, and retains its juvenile features throughout its life.

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Why is it impossible for the atomic number of an element to be greater than its mass number?​

Answers

answer: The atoms of different elements all have different numbers of protons. Meanwhile, the mass number of an atom consists of the total number of protons and neutrons it contains

Explanation:

The atoms of different elements all have different numbers of protons. Meanwhile, the mass number of an atom consists of the total number of protons and neutrons it contains. An atom's mass number can never be smaller than its atomic number, and while it can be the same it is normally larger.

Please heeelp
Why are plants, but not animals, thought to be an important factor in classifying a land biome?

Answers

Answer:

becuase plants make up surrounding areas, if you see no plants and soil with no fertilization from plants it is most likely a desert, and a place with tall and thick plants is most likely a forest

Answer:

Explanation: Because the biome must support the plant since the grow a plant you must have good temperature the constant rainfall and the soil, that is why plants are the most important factor since its chooses what plant can survive in that biome.

When the concentrations of solutions are the same on both sides of a membrane, the two solutions are​

Answers

Answer:

di ko nga alam sagot dyan ii search mo nalang sa ibang application bhie

How does CO2 level affect oxygen production?

Answers

Answer:

Grupa chemików z Uniwersytetu Środkowej Florydy pod kierownictwem profesora Fernando Uribe-Romo, odkryła sposób zamiany dwutlenku węgla w paliwo i tlen — naśladując naturalne procesy w jakich rośliny konsumują CO2, czyli fotosyntezę, która z dwutlenku węgla i wody produkuje węglowodany czyli paliwo dla organizmów żywych.

Explanation:

Answer:

Greater flow of oxygen corresponds to a higher rate of photosynthesis. but more co2 would make the oxygen lower because plants are producing co2.

Explanation:

A phagocytic cell engulfs a bacterium. This process is known as....

A endoplasmosis
B exocytosis
C passive transport
D endocytosis

Answers

Answer:

D endocytosis

Explanation:

I just found it it's called phagocytosis which is a process of endocytosis

Two characteristics of most plants are a root system and a shoot system. Most of the structures in these systems are common to all plants; however, there are some variations. Which structure can sometimes be found as part of the shoot system? Stems leaves roots flowers

Answers

Answer:

stems, leaves, flowers

Explanation:

There are two parts in the plants  ----

1. the shoot system

2. the root system

Shoot system are defines as the upper part of the plant which means it is the part that lies above the ground or surface. It consists of stem, leaves and flowers. It is responsible for food production and is the production center of a plant.

The root system is the part that is under the soil. It holds the plant in its place and helps to absorb water and mineral from the soil. It helps to store the products of the photosynthesis process from the shoot system.

Help Pls i need help with these

Answers

Answer:

mark most brainliest have a great day

Explanation:

Ball and socket joints allow bones to move _____.

back and forth
in all directions
across each other
up and down

Answers

Answer:

in all directions

Explanation:

Your shoulder is a ball and socket joint and it can move in all directions as an example.

Answer:

B.) in all directions

Explanation:

Ball-and-socket joints are as the name implies. A ball-shaped end of bone attaches to an indentation on another, the socket. It rotates around in any direction, with an example being the end of your arm that attaches to your torso. This design makes it more mobile than any other type of joint.

Which of the following is not a type of biological contamination?
A)bacteria
B)protozoa
C)viruses
D)herbicides

Answers

Herbicides are not a type of biological contamination since they are toxic substances that are not living things.

Biological contamination is the contamination by living microorganisms that are toxic. Herbicides are not the type of biological contamination. Thus, option D is correct.

What are biological contaminations?

The contamination of the food, water, air, or soil due to harmful living organisms is called biological contamination. These microbes cause diseases and illnesses in the other species.

Viruses, bacteria, and protozoans are the biological contaminants that result in diseases and pollution. On the other hand, herbicides are chemical substances that are used to kill the pests infesting the crops.

Therefore, herbicides are not biological contaminants.

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Special chemicals that recognize and attach to germs are called what?

A. Antibodies

B. Red blood cells

C. Pathogens

Answers

Special chemicals that recognize and attach to germs are called Antibodies. Thus, the correct option is A.

What is Antibody?

An antibody may be characterized as a protein produced by plasma cells in response to a specific antigen.

The major function of an antibody is to eliminate disease-causing organisms which are known as pathogens or any other external germs and barricade them from contaminating human cells.

Such antibodies after synthesis attach to germs or digested antigenic particles and then mediated the process of eliminating all such foreign particles.

Therefore, special chemicals that recognize and attach to germs are called Antibodies. Thus, the correct option is A.

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Please I will do anything BRAINLIEST 20 POINTS

Answers

Answer:

question 2 is newtons first  law

Explanation:

DNA evidence analysis is an imperfect science. Provide two reasons why this may be the case.

For my Biomedical Science Class

Answers

Answer:

Not all DNA that was found at the scene has to be related to the scene.

Explanation:

Just because DNA was found at the scene, that doesn't mean that the person there is actually guilty. For example, in a case where person B is guilty, a strand of hair from Person A could be carried over to another scene on Persons B's clothing.

Answer:

Because DNA is more reliable than other forensics, scientists have shrugged off suggestions that it could fall victim to the vagaries of bias. But Dror noted that much DNA analysis involves interpretation. With interpretation comes subjectivity, and with subjectivity can come error. Only one-tenth of 1 percent of human DNA differs from one individual to the next and, although estimates vary, studies suggest that forensic DNA analysis is roughly 95 percent accurate.

Explanation: Hope this helps

An organism that is non-native to an area and are introduced and begin to to grow uncontrollably are called what?​

Answers

Answer:

Below, sorry that it's long.

Explanation:

An invasive species is both non-native to the ecosystem in which it is found and capable of causing environmental, economic, or human harm because of its ability to spread rapidly and compete with native species. This means that not all non-native species are considered invasive.

Answer:

invasive species

Explanation:

bruh

The inner layer of the brain is the: A. Thinking brain
B. Emotional brain
C. Primitive brain
D. Understanding brain

help!​

Answers

Answer:

The understanding part of da brain

Explanation:

Answer:  D. Understanding brain

Explanation:

:)

Explain transformation in DNA

Answers

Plasmid or vector transformation is the process by which exogenous DNA is transferred into the host cell. Transformation usually implies uptake of DNA into bacterial, yeast or plant cells, while transfection is a term usually reserved for mammalian cells.

When sunlight strikes a plant, the leaves capture most of that energy to use for photosynthesis. Which of these materials helps plants use energy from sunlight?

a. Chlorophyll c. Roots

b. Glucose d. Soil

Answers

Answer: A. Chlorophyll c. Roots

Answer:

chlorophyll

Explanation:

i did this and got it right

1) Dominant alleles are represented by a​

Answers

Dominant alleles are represented in an uppercase letter,

HELPP IM BEING TIMED ILL GIVE BRAINLIEST ANSWER PLS. Describe the rate of changes caused by weathering and
erosion. What are the fast changes? What are the slow changes?
What causes changes in big areas? What causes changes in little
areas?

Answers

Rainfall and temperature can affect the rate in which rocks weather. High temperatures and greater rainfall increase the rate of chemical weathering. 2. Rocks in tropical regions exposed to abundant rainfall and hot temperatures weather much faster than similar rocks residing in cold, dry regions.

Which statement describes landforms?

Answers

Answer:

What statements can I choose from?

Explanation:

DOES ANYONE KNOW THIS ANSWER PLEASE

Answers

It’s a facilitated diffusion!
Facilitated diffusion= high to low concentration= has a protein channel

The aircraft in the picture above possesses potential and kinetic energy.

True

False

Answers

Answer:

There being no picture im saying, that if its stationary it has potential but if it is moving it possesses both kinetic and potential

Explanation:

What is the sequence of the complementary strand for the DNA shown above?


hurry please

Answers

Answer:

either of the two chains that make up a double helix of DNA, with corresponding positions on the two chains being composed of a pair of complementary bases. a section of one nucleic acid chain that is bonded to another by a sequence of base pairs.

A basalt rock displaces 16mL of water. The density of the mass is 3.0g/cm3. What is the mass of the rock?

Answers

Answer:

48g

Explanation:

ASAP!!!!!!! I NEED HELP
Why are there two sets of phases during meiosis, but only one during mitosis? Think about what is different about meiosis and mitosis


Answer correctly or I will report

Answers

Answer:

Cells undergoing mitosis just divide once because they are forming two new genetically identical cells where as in meiosis cells require two sets of divisions because they need to make the cell a haploid cell which only has half of the total number of chromosomes.

Explanation:

Photosynthesis and cellular respiration differ in which of the following
ways?
O The main source of chemical energy in cellular respiration is water.
The energy conversion in cellular respiration takes place in the chloroplast.
O The main source of energy in cellular respiration is glucose.
The final product of cellular respiration is electromagnetic radiation.

Answers

Answer:

the main source of energy in cellular respiration is glucose.

Explanation:

photosynthesis creates glucose out of co2 h2o and sunlight. while cellular respiration is almost exactly the opposite.

The ways in which photosynthesis and cellular respiration differ is that the main source of energy in the case of cellular respiration is glucose. Hence, Option C is the correct answer.

The photosynthesis and cellular respiration processes are interlinked with a significant relationship. The products of one process act as reactants in the other. Some of the significant differences between both processes are mentioned as follows:

Photosynthesis takes place only in phototrophs such as plants and algae while cellular respiration can take place in all the living forms. Photosynthesis completely takes place in chloroplasts and cellular respiration in Mitochondria. Glucose is made by the process of photosynthesis while glucose is utilized in cellular respiration to make molecules of ATP.

Thus, we can conclude that photosynthesis and cellular respiration differ specifically by the main source of energy. Hence, option C is the correct answer.

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Man has a haploid life cycle.

True
False

Answers

Man does not have a haploid life cycle. Haploid life cycle is observed in most of the single-celled organisms. Thus, the given statement is false.

What is haploid life cycle?

The haploid life cycle is the simplest type of life cycle. It is found in most of the single-celled eukaryotic organisms. Organisms with a haploid life cycle spend the majority of their lives in haploid forms as haploid gametes. When these haploid gametes fuse, they form a diploid zygote.

The life cycle of Man is an example of diploid life cycle. The human life cycle involves a mature human cell (2n), eggs are produced by meiosis in the ovary of a woman, and sperms are produced by meiosis in the testis of a man. The eggs and sperm combine in fertilization to form a diploid zygote (2n).

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HELP 100 POINTS TO WHO CAN HELP


HOW DOES THE MEIOSIS PROCESS WORK ?

What is different between meiosis and mitosis?

Whats the different between haploid and diploid?

Answers

Answer:

Meiosis is broken down into several stages. Each cell in the process of meiosis involves the cell growing, dividing, splitting, and dividing again in order to produce the four cells at the end of the process. This cellular process is one of the more common processes of biology, but it is also the reason why people have some traits over others.

Explanation:

The difference between mitosis and meiosis is in the process by which each form daughter cells from a parent cell. Mitosis has one round of cellular division and genetic separation whereas meiosis has two rounds.

The key difference between haploid and diploid is that haploid is the state of having half the usual number of chromosomes while diploid is the state of having the usual number of chromosomes in the genome of a cell.

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