What first caused people to consider that the continents were once one large landmass?

glacier evidence in warmer countries
continents looked like they fit together
studying the valleys of the ocean floor
similar fossils were found on many continents

Answers

Answer 1

Answer:

Continents looked like they fit together. Which continents contain fossils of Mesosaurus, an extinct reptile, in similar regions of Pangaea?

Answer 2

Answer:

B

Explanation:


Related Questions

most of the surface area of a plasma membrane consists of

Answers

Answer:

50% liquid and 50% protien by wieght

what type of fossil forms when the impression from the remains of an organism is filled in with soil and hardens into the shape of the original organism?

Answers

Answer:

casts

Explanation:

casts are formed by filing the cavity of minerals collected from the surrounding

Answer:

i belive the answer is "casts"

Explanation:

Patient describes a burning sensation on the posterior side of her body, lateral to the spine on the left side of the body inferior to the shoulder blade, inferior to the waist and superior to the knee. Where is this located on the image above?


A


B


C


D


E


F


G


H


I


J

Answers

Answer:

Explanation:

Injuries to the upper brachial plexus (C5, C6) affect muscles of the shoulder and elbow.

11. Describe the potential energy at each letter in the image to the
right:
W)
X)
Y)
Z)

Answers

Answer:

THE ANSWER IS Z

Explanation:

Y=X X 14 FUFFN C CCN. J.

If gastr/o is the combining form for stomach, what is the medical term that means removal of half of the stomach

Answers

Answer:

Hemigastrectomy

When does renal genesis usually develop?

*it's b. despite the test having a typo

Answers

Answer:

b. In the womb, when the fetus is about 5-12 weeks old

Explanation:is correct. post protected

BRAINLIEST AND 50 POINTS!!
Based on information from the cladogram and the data table shown below, which of the following best describes the evolutionary history of rabbits?


Claws/Nails Feathers Jaws Lungs Mammary glands
Bird X X X X
Hagfish
Lizard X X X
Rabbit X X X X
Salamander X X
Tiger X X X X
Trout X


Image depicts a cladogram with hagfish, trout, salamander, lizard, bird, rabbit, and tiger represented. Trout diverge from hagfish with the introduction of jaws. Salamander diverges from trout with the introduction of lungs. Lizard diverges from salamander with the introduction of claws and nails. Bird diverges from lizard with the introduction of feathers. Rabbit and tiger diverge from lizard with the introduction of mammary glands.
They are more closely related to tigers than they are to birds.
They became able to produce mammary glands as a result of lacking feathers.
They evolved into a separate species due to the presence of mammary glands.
They share a more recent common evolutionary ancestor with salamanders than they do with lizards.

Answers

Answer:

A. They are more closely related to tigers than they are to birds.

Explanation:

Short answer: I took the test

Actual explanation:

-If you look at the first graphic that you have, you will notice that rabbits and tigers have all the same boxes checked off. AND birds and rabbits only have 3 checked off.

-salamanders actually have less in common with rabbits than they do with lizards, salamanders have 3 things in common, and lizards only have 2, proving option D. wrong. (if you are wondering where I got that evidence, look at the chart) AND if you look at the cladogram, lizards are closer to the rabbits than salamanders meaning that lizards have a more common ancestor (I think?) But nevertheless, it it still wrong, because of the above evidence.

- The options with mammary glands are also incorrect for these reasons, B. makes no sense, literally no sense, why would not be able to produce mammary glands with feathers, so B, is automatically out. With option C, rabbits did not evolve into a whole new species, it is the clade showing that tigers and rabbits both have mammary glands. There is no showing of a new species on the cladogram, and I don't think that it makes sense to evolve into a whole species just because of mammary glands.

- Now, if you look at the cladogram again, you wills see that tigers and rabbits are closest together, meaning that they are closely related. BUT, birds and rabbits are also the closet together, so, refer back to point a, that the chart shows that birds only share 3 out of the 4 that rabbits and tigers share. so that's that.

So after doing the work, option A. Rabbits are more closely related to tigers than they are birds. (and If you read my long explanation THANK YOU I put time and effort into it to make it accurate :))

Hope this helped :))                                                                                                    ~addison

Answer:

A. They are more closely related to tigers than they are to birds.

Option A. Rabbits are more closely related to tigers than they are birds.

Explanation:

I have a shorter answer.

why is it necessary to have 6co2 entering the chloroplast

Answers

the photosynthesis reaction must be balanced. six carbons are needed to make glucose, so six CO molecules are needed.

at what point in meiosis do sister chromatids separate?

Answers

Answer:

anaphase II

Explanation:

This is when the string like things pull the sister chromatids and move them towards opposite poles. And then in the next step they began to separate as two different cells

question:

at what point in meiosis do sister chromatids separate?

Answer :

Anaphase

Anaphase: During anaphase, the centromere splits, allowing the sister chromatids to separate.

Blood must travel through capillaries at a(n) ________ rate to assist with diffusion of fluid into the interstitial space.

Answers

Blood must travel through capillaries at a slow rate to assist with diffusion of fluid into the interstitial space.

Hope this helps!

why do polygenic traits show bell curves in variation

Answers

Answer: because there are multiple genes that play a role in the phenotype, and each gene could have multiple alleles. This can give a range of possible phenotypes from all the variation that's coming into play here.

How does melanoma affect the functions of the skin?

How does jaundice affect the functions of the skin?

Answers

Answer:

Melanoma is a type of skin cancer that develops in certain skin cells called melanocytes. These are the cells that make the pigment (melanin) that colors your skin. When exposed to UV radiation, such as sunlight, the melanocytes make more pigment, causing the skin to darken or tan. Melanoma starts in cells in the skin called melanocytes. These cells are in the deep layer of the epidermis between the layer of basal cells.

Jaundice causes the skin and the whites of the eyes to turn yellow. The higher the bilirubin level, the yellower the skin. Severe jaundice usually also causes itching and bile. Bile is fluid secreted by the liver.

the heart of an embryo starts to pump blood by the ________.

Answers

Answer:

fourth week of pregnancy

Explanation:

Mark me brainly please

Emerging from the placenta is the umbilical vein, which carries oxygen-rich blood from the mother to the fetal inferior vena cava via the ductus venosus to the heart that pumps it into fetal circulation.

Photosynthesis is a process in which _______ energy is converted to _______ energy.
A.
light; electrical
B.
heat; chemical
C.
light; chemical
D.
chemical; light

Answers

Answer:

C is the answer i think

light,chemical

Answer:

I'm gonna say C is the answer

Explanation:

because the sunlight goes in the plant and comes out as oxygen

what is prophase, meta phase and anaphase labled under?
1.Mitosis
2.DNA replication
3.Meiosis
4:Photosynthesis​

Answers

Answer:

Technically Mitosis and Meiosis

Explanation:

Mitosis is the spliting of Body Cells. Mitosis goes through 4 phases that are easy to remember as PMAT. Mitosis starts with Interphase then moves to Prophase, Metaphase, Anaphase, and Telephase. These steps also occur in Meiosis. However Meiosis goes through these step twice. If you need further explaination of mitosis and meiosis I recomend the amoeba sisters.

Hope this helps!!

Where does fertilization of an ovum occur?

Answers

Answer:

a. In the fallopian tubes

Explanation:is correct. post protected

can someone please help me!! ASAP!!
Thank uuu!!!

Answers

ANSWER

A

Explanation:

no explanation

Answer: D
Step-by-step explanation:

Which table shows two steps of DNA replication?

Answers

Answer: is H

Explanation: because that’s how it is reached by my teacher I don’t really know how to explain it

DNA replication is a process where the polymerase enzyme adds complementary nucleotide bases in the parent DNA strand, hence option h polymerase matches adenine to thymine is correct.

What is DNA replication?

The process by which a double-stranded DNA molecule is duplicated to form two identical DNA molecules is known as DNA replication.

Replication is necessary because when a cell splits, the two new daughter cells must have the same genetic information, or DNA, as the parent cell. In vitro DNA replication (DNA amplification) is also possible (artificially, outside a cell).

To begin DNA synthesis at known sequences in a template DNA molecule, DNA polymerases isolated from cells and artificial DNA primers can be utilized.

Therefore complementary base pairing of nucleotide base pairing, hence option h is correct.

Learn more about DNA replication, here:

https://brainly.com/question/16464230

#SPJ2

1. how would dr.budai refer to the new fern that contractors plan on introducing into the environment?

2.how might removing the flowering plants and replace it them with ferns affect the population numbers of the butterfly and the new species?

3. how might the building of the hotel affect the population of the new species?

Answers

Growing of ferns instead of flowering plants and building a hotel adversely affect the butterfly and species.

Dr. budai has bad reaction to the new fern that contractors plan on introducing into the environment because it will be grown instead of flowering plants which is necessary for the survival of butterfly.

Removing the flowering plants and replace it them with ferns negatively affect the population of the butterfly and the new species because butterfly feeds on the nectar of the flowers whose removal decrease the population of butterfly and those species which feed on butterfly also adversely affected due to unavailability of food source.

The building of the hotel adversely affect the population of the new species because habitat of that species will be destroyed so we can conclude that growing of ferns instead of flowering plants and building a hotel adversely affect the butterfly and species.

Learn more: https://brainly.com/question/25708418

What is observational classification

Answers

Answer:

Three types of observational studies include cohort studies, case-control studies, and cross-sectional studies

where you observe, or study, something then organize it into categories

how does dna polymerase add dntp monomers to the growing chain?

Answers

Answer:

The 3′ carbon of the DNA chain forms a covalent linkage with the phosphate group on the 5′ end of the dNTP. ... The system detects mutations because they produce an irregularity in the DNA molecule.

Explanation:

How does nitric oxide cause your blood vessels to relax?

Answers

Answer:

increases blood flow and lowers blood pressure.

Explanation:

The biological species concept cannot be applied to fossils. Which alternate approach to identifying species would be most useful for classifying fossil organisms? A. an approach based on genetic history B. an approach based on molecular biology C. an approach based on measurable physical traits D. an approach based on use of reproductive barriers

Answers

Answer:

C . an approach based on measurable physical traits

2) What are the primary functions of all the Organic Compounds/Macromolecules?

Answers

Answer:

enter in formation of the body

Explanation:

provide cells with energystore energyhelp from cell membrance

when nonsister chromatids exchange genes it is called:

Answers

Answer:Chromosomal crossover, or crossing over

Explanation:

Chromosomal crossover, or crossing over, is the exchange of genetic material during sexual reproduction between two homologous chromosomes' non-sister chromatids that results in recombinant chromosomes.

what basic unit of heredity is found in segments of dna

Answers

Answer:

Genes

Explanation:

Genes are found in DNA and are the basic unit of heredity.

The primary electron acceptor in photosystem II is __________. Group of answer choices P700 P700 P680 P680

Answers

Answer:

680

Explanation:

When the P680 special pair of photosystem II absorbs energy, it enters an excited (high-energy) state. Excited P680 is a good electron donor and can transfer its excited electron to the primary electron acceptor, pheophytin.

what happens if the body produces the wrong proteins

Answers

Answer:

Gain of toxic function, Look-ahead effect, Ribosome skipping:

Explanation

Hope it helps

If an organism's DNA contains 30% adenine nucleotides, what percentage of its DNA is composed of thymine nucleotides

Answers

[A] = [T] = 30%
[C] = [G] = 20%

True or False: Transcription and Translation can occur at the same time for a single mRNA in prokaryotes.

Answers

Answer:

False, they cannot

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