Describe the advantages of a four chambered heart compared to heart with two or three chambers

Answers

Answer 1
Four chambered heart keeps oxygenated and deoxygenated blood separate and has double circulation while three chambered heart has a single circulation. Two chambered heart only has single atrium and single ventricle

Related Questions

Which agent would cause the least damage to a chromosome?

Answers

Hey there!

The answer would be ultrasound.


The ultrasound is considered safe because it uses sound waves for the detection of tissue, organ, baby etc. These waves are considered safe and transfer only a small amount of heat to the tissue in which the ultrasound is done. A little amount of heat is not at all harmful to the body in any means. Early defects of baby can be detected through this procedure, the merits of the process is much higher than its demerits.


Hope this helps !

Which of these locations is most likely to experience moderate climate throughout the year?

Answers

Answer:

b

Explanation:

The location that is most likely to experience moderate climate throughout the year is C.

The location C of the map will experience moderate climate because it is a coastal region of the map.

Moderate climate weather is described as a weather condition that occurs during the day, as cool air from sea rush towards the land and during night, as cool air from the land rush towards sea.

Because location C is a coastal region which means that the location is surrounded by land which better absorbs and radiates heat much faster than sea.

Therefore, the location that is most likely to experience moderate climate throughout the year is C.

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Which of the following are responsible for sending messages from the spinal
cord to the brain?
A. Motor neurons
B. Interneurons
C. Sensory neurons
Ο Ο
D. Hormones

Answers

B. Inter neuronas are responsible for sending messages from the spinal cord to the brain

Answer:

Your answer would be option B

Explanation:

Interneurons are responsible for sending messages from the spinal

cord to the brain.

hope it helps!

Here is a Riddle Good Luck!
What is Brown and Big
That Is Hungry in Summer And Sleepy in Winter​

Answers

Answer:

A bear....

Explanation:

Answer:

definitely a bear

Explanation:

Angelman Syndrome or Prader Willi will be present in a child when:

a) there is a deletion on the X chromosome.

b) there is a mutation involving the X chromosome.

c)methylation has occurred involving one parent's chromosome.

d)methylation has occurred involving both parents' matching chromosomes.

Answers

Answer:c

Explanation:

PLEASE HELP I WILL BE GIVING THE BRAINLIEST AND 15 POINTS!!!!!!!!
Liam knew that all living things have common characteristics. His new baby brother made him think about how different all the types of living things were. Which of the following is not a common characteristic shared by all living things?

A. made of a cell or cells
B. made of similar chemicals
C. respond to surroundings
D. spontaneously generate

Answers

Answer:

Option D) - Spontaneously generate.

Answer:

Spontaneously generate

Explanation:

all living things have cells, are similar chemically (like have water) and respond to surroundings.

Spontaneous generation refers to an obsolete body of thought on the ordinary formation of living organisms without descent from similar organisms. The theory of spontaneous generation held that living creatures could arise from nonliving matter and that such processes were commonplace and regular.

Which stage in the chart best represents a pioneer species?
Stage Organisms Present
А
None
B
Lichens and Moss
С
Grass
D
Shrubs and Small Trees
E
Forest
a
b
O O O O
Stage A
Stage B
Stage C
Stage E
С
d

Answers

Answer:

b

Explanation:

it is the most likely to be carried around by people on ships

Gregor Mendel crosses a true-breeding tall plants (TT) with a true-breeding short plant (tt). What are the predicted phenotypes for the offspring ?

a. all tall
b. all short
c. ratio of 1 tall : 1 short
d. ratio of 3 tall : 1 short

Answers

Answer:

a. all tall:

Explanation:

Tall plants (TT) are the more dominate trait. Use the Pundett square (I will try to recreate it as best as possible but it will not look good):

     t       t

T  Tt      Tt

T   Tt     Tt

As you can (kind of) tell, T appears on all offsprings, and as the dominate trait, it will take over 100% of the time.

The next generation (depending on who you are breeding them with), will have a different result.

~

How does light behave?

Answers

When light moves from one medium (like air) to another medium (like water) it will change directions. This is a "wave-like" behavior and is called refraction. In this way light behaves like other waves such as sound waves.

Answer: Light behaves like waves, they undergo reflection, refraction and diffraction just like any other wave would.

Explanation:

Light waves move and change direction all the time. But how can we compare them? to all other waves because this behavior happens constantly.

What are 2 examples of conservation efforts in the marine environment?

Answers

Answer:

Explanation:

Marine conversation is a structured plan in the protection and preservation of oceans ecosystem and seas.

Example of conversation method is,

Marine protected areas are areas protected to limit human activities. Some places are permanently closed while some are zoned into various categories.

Sustainable fisheries this is also done to conserve fishes in the ocean to avoid a continuous decline in population. It is done using theoretical approach and practical approach.

according to the Nationalinstitute on drug abuse 2013 survey how much is spent annually in workplace because of drugs

Answers

600, is the correct answer

Answer:

600

Explanation:

According to the Nationalinstitute on drug abuse 2013 survey, 600 dollars is how much is spent annually in workplace because of drugs.

PLEASE GIVE BRAINLIEST!!!!

What percent will be white?
0%
25 %
50 %

Answers

Answer:

0% will be white.........

Mia uses the formula m2 to find the area of a circle . What is m2 an example of ?

Answers

The answer is D a model

Which of the following statements is accurate?
Choose 1 answer:

A Species Y and Species Z can
interbreed.

Species A and Z share a recent common ancestor.

Species A and Species Y are the same.

Species X evolved from Species Y.
Stuck? Watch a video or use a hint.
Reporta problem​

Answers

Answer: Species A and Species Y are the same

Explanation: Good luck! :D

what are the long strands of DNA called?

A.Chromosomes
B.Fossils
C.Genes
D.Mutations

Answers

The answer is chromosomes

Answer:

A

Explanation:

If the food source is affecting the buffalo population, what do you predict the graph of the food source would look like? Either draw a graph or write a prediction.

Answers

Answer:

If the food source increased the population would increase

Explanation:

what are the producers of in vitro fertilization

Answers

Answer:

IVF is the process of fertilization by extracting eggs, retrieving a sperm sample, and then manually combining an egg and sperm in a laboratory dish. The embryo(s) is then transferred to the uterus. Other forms of ART include gamete intrafallopian transfer (GIFT) and zygote intrafallopian transfer (ZIFT)

Explanation:

hope this helps, have a good day :-)

I need an answer for this ASAP. it’s number 6 7 8. 52 points to first person

Answers

8. Weather refers to short term changes in the atmosphere. Climate refers to what the weather is like for a long period of time.
7. Hailstorms, ice storms, thunderstorms, windstorms, tu rica es and tornadoes.
6 high air pressure experts a force on the surrounding low air pressure results in hire sea levers

Answer:

6. So high air pressure over a sea area corresponds to low sea level and conversely low air pressure (a depression) results in higher sea levels.

7. Thunderstorms, Tornadoes, Hurricanes, Winter storms

8. weather is short-term changes in the atmosphere and climate what the weather is like over a long period of time in a specific area.

Hope this is helpful!

An organism's traits are controlled by alleles it inherits from Its parents. Some alleles are dominant
while others are
hybrid.
recessive.
genomic.
sex-linked.

Answers

The answer is recessive

Which division of time is the second smallest?

Answers

Period is the second smallest division of time.

Answer:

PERIOD

Explanation:

A.P.E.X

what could be done in terms of genetic engineering to minimize the chance of farmed raised fish from breeding with wild fish

Answers

Answer:

you could split the fish apart from each other or into different groups

Explanation:

hope this helps

What factors might limit the growth of a goldfish living in a large pond?

Answers

Answer:

Predators, food chain, fights with males, toxic water, contamination, plastic

Explanation:

PLEASE HELP!! Would you expect to find many fluorescent organisms in the very deep ocean? Why or why not?

Answers

Answer:

Yes

Explanation:

many deep sea animals use bioluminecense to communicate, lure in prey, and defend against predators.

What is the ozone layer?
Why is it important to humans?

Answers

Answer:

The ozone layer absorbs most of the Sun's ultraviolet radiation in the Earth's stratosphere.

Explanation:

It is important to humans because it protects us from getting sun burnt and from our body receiving too much radiation.

Answer:

it protects us from radiation from the sun

CAN SOMEONE PLEASE HELP >.....< 30 POINTSSSSSSSSSSSSS
How important is it to know the atomic mass? explain

Answers

Answer: Very important

Explanation:

This term takes into account both the actual emission of carbon by an act, but also the
carbon used to help create, transport, and dispose of any waste associated with that
act. What is this phrase?

Answers

Would it be greenhouse gases???

Arctic ice retreat is threatening many species in this ecosystem. Their resources are being cut and they are needing to find new ways to survive. Do you think in your lifetime you will see drastic effects to the species in this ecosystem and why? Will that affect other ecosystems?

Answers

Answer:

no

Explanation:because they will find new ways to survive in the environment

Answer:

We are already seeing drastic effects to the ecosystem and it's wide assortment of species. Animals such as polar bears, and seals are losing their breeding and hunting grounds. Polar bears in particular are losing their ways to catch seals for food and interbreeding with grizzly bears. Fish and whales from warmer parts of the world are starting to move up north and are becoming invasive. Most importantly, since cold water from the melting ice are mixing with ocean currents, global climates and weather systems are changing course. Ultimately, in about 500 years, there could be a large Global Climatic Shift that may put us into another Ice Age.

How does the need for resources affect the relationships organisms in an ecosystem?

Answers

Answer:

The need for resources will make the organisms competitive in their ecosystems.

PLEASE HELP NOW!!EXPLAIN Select the correct term to complete the statement about
agricultural runoff.


Agricultural runoff can affect the overall health of an ecosystem. In the
case of aquatic ecosystems, algae blooms, and the bacteria that break
down the dead algae, can deplete the ______
that fish and
other organisms need to survive. Fish-eating birds and other animals are
impacted because they rely on the fish for food.
A)oxygen
B) nitrogen
C) carbon

Answers

Answer:

oxygen

Explanation:

Which statement about fossils could be used as evidence that
evolution by natural selection has been in effect for millions of
years?
Fossils found in higher layers of rock are older than those
found in lower layers.
Fossils found in lower layers of rock are more complex than
those found in higher layers.
© Fossils of current species have been found throughout rock
layers that are billions of years old.
0 Fossils of species that no longer exist but are ancestors of
current species have been found in rock layers.

Answers

D because they evolved into the special that are current now

Fossils of species that no longer exist but are ancestors of current species have been found in rock layers. Thus, the correct option is D.

What are Fossil fuels?

A fossil fuel is a hydrocarbon-containing material which is formed naturally in the Earth's crust from the remains of dead organisms such as plants and animals which are extracted and burned as a fuel. The main fossil fuels which are present in the earth's crust include coal, oil, and natural gas.

The evolution of species is easily confirmed by the presence of fossils of the most diverse species of the living beings in the world. This is because, fossils are the records of species which do not currently exist, however there are existed millions of years ago and are similar to the current species, being their ancestors.

Therefore, the correct option is D.

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