Mammals are characterized byA. warm-bloodedness and feathers.
B. hair and feathers.
C. mammary glands and hair.
D. hair and shelled eggs.

Answers

Answer 1
Answer: For this question, you should know that Mammals do not have feathers so the answer cannot be A or B 
Also they do not have eggs. So the answer cannot be D 
So the answer is C :)))
I hope this is helpful
have a nice day
Answer 2
Answer:

Answer:

C. mammary glands and hair.

Just did the test and got it right


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Which of the following gases is NOT found in Earth’s atmosphere?a. oxygenc. hydrogenb. nitrogend. all of the above are in the atmosphere
C6H12O6 is a type of?

Homo sapiens (human)| size 2,900 million bases| gene # -30,000| gene density 1 gene per 100,000 bases| chromosome #46 Rattus novegicus (rat)| size 2,750 million bases| gene # -30,000| gene density 1 gene per 100,000 bases| chromosome #42

Mus musculus (mouse)| size 2,500 million bases| gene # -30,000| gene density 1 gene per 100,000 bases| chromosome #40

Drosophila melanogaster (fruit fly)| size 180 million bases| gene # 13,600| gene density 1 gene per 9,000 bases| chromosome #8

Arabidopsis thaliana (plant)| size 125 million bases| gene #25,500| gene density 1 gene per 4,000 bases| chromosome #10

Caenorhabditis elegans (roundworm)| size 97 million bases| gene #19,100| gene density 1 gene per 5,000 bases| chromosome #12

Saccharomyces cerevisiae (yeast)| size 12 million bases| gene #6,300| gene density 1 gene per 2,000 bases| chromsome #32

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The table shows the relative size of the genomes, number of genes, and number of chromosomes for a variety of different organisms. Based on what we know regarding the genetic code of all living things, how does the genetic code of a eukaryote organism compare to that of a prokaryote organism?

A) Prokaryote organisms have much simpler DNA, containing fewer than four nitrogen bases.
B) Eukaryote organisms have a larger genome containing a more complex set of nitrogen bases.
C) Both types of organisms contain exactly the same four nitrogen bases, but in different sequences and numbers.
D) Both types of organisms contain exactly the same four nitrogen bases, in the exact sequences, but in varying numbers.

Answers

From the information provided here, it can be said that both the types of organisms contain exactly the same four nitrogen bases, but in different sequences and numbers. Thu, the correct option is C.

What is the genetic code in different organisms?

The genetic code is a set of rules which defines how the four-letter code of the DNA is translated into the 20-letter code of amino acids in an organism, which are the building blocks of proteins in that organism.

The genetic code is almost completely universal across all the different life forms, with a few minor differences in some of the bacteria such as Mycoplasma and in the bacterial-derived lineages such as mammalian mitochondria and chloroplast of plant cells. The variation is due to the codon usage.

The genetic code consists of the sequence of bases in the DNA or RNA molecules. Groups of three bases form codons, and each codon in this stands for one amino acid. The codons are read in the sequence following the start codon until a stop codon is reached in that sequence. The genetic code is universal, unambiguous, and redundant.

Therefore, the correct option is C.

Learn more about Genetic code here:

brainly.com/question/29413263

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i'd say C is correct.

Choose the system to which this item belongs: bladderexcretory
circulatory
endocrine
digestive
respiratory

Answers

it belongs in the excretory system. Bladder stores pee

Answer:

excretory

the bladder stores pee, so you can let it out when your bladder gets full.

The phenomenon of fusion is likely to occur when, after a period of geographic isolation, two populations meet?their chromosomes are no longer homologous enough to permit meiosis. the hybrid zone is inhospitable to hybrid survival. an increasing number of viable, fertile hybrids is produced over the course of generations a constant number of viable, fertile hybrids is produced over the course of generations. a decreasing number of viable, fertile hybrids is produced over the course of generations.

Answers

The right answer for the question that is being asked and shown above is that: "a decreasing number of viable, fertile hybrids is produced over the course of generations." The phenomenon of fusion is likely to occur when, after a period of geographic isolation, two populations meet is that a decreasing number of viable, fertile hybrids is produced over the course of generations.

Why should senior citizens perform balance exercises?a. to build muscle tissue
b. to reduce chances of falls
c. to build overall endurance
d. to reduce "staying power"

Answers

Answer;

B. to reduce chances of falls

Explanation;

-Senior citizens should perform balance exercises to reduce chances of falls. Balancing in senior citizens or older people is important as it helps build huge confidence, it helps them to see the world in their own terms and also better balance means there will be fewer falls.

Answer:

B

Explanation:cause I said so

Which conclusion does the fossil record support? A. Species have changed over time. B. Traits acquired during a lifetime are passed to offspring. C. Earth’s organisms have not changed over time. D. All of earth’s organisms were formed at the same time.

Answers

The correct answer is (a.) Species have changed over time. The conclusion; Species have changed over time, supports the fossil record. The way the evolution works is being supported by the evidenced of the fossils that the paleontology had found.

Answer:

A. Species have changed over time

Explanation:

Which statement is true about nitrogen and oxygen?A. They make up about 99.9% of the human body.

B. They are both made of protons, neutrons, and electrons.

C. They are both used to make water molecules.

D. Neither contains subatomic particles.

Answers

B, They are both made of protons, neurons, and electrons

Explanation:

Nitrogen and oxygen are both gases at normal warmth and pressure. They are more both elements. They both dissolve at a really cold temperature.

They're the principal components of Earth's atmosphere.

They're both diatomic gases.

They're both nonmetals.

They're both light elements.

Both of them are involved in the CNO cycle.

B, They are both made of protons, neurons, and electrons