What type of circulatory system pumps hemolymph that bathes the organs and tissues with a simple heart through a few open blood vessels (the heart does NOT form a closed circuit with the blood vessels)?
Group of answer choices

A. A primitive circulatory system

B. A closed circulatory system

C. An open circulatory system

D. A simple circulatory system

Answers

Answer 1

Answer: C. An open circulatory system

Explanation:

An open circulatory system is found in animals such as insects and crustaceans. It pumps hemolymph that washes over organs.


Related Questions

The sun uses nuclear fusion to generate its energy. In the very distant future, the sun will eventually run out of fuel.

A. All the hydrogen and smaller elements will eventually will fuse into larger elements until fusion is longer possible

B. the sun will stop burning once all the atoms have spilt

Answers

Answer:

The Sun will stop burning once all the atoms have spilt

Explanation:

After the Sun runs out of thermonuclear fuel, it will no longer be able to shine as it does now. the Sun will shrink down to a dying star, which is a white dwarf. This is usually the last stage of a star.

One of the basic rules of science is
that it can change if new information is discovered.

Use what you know about the solar system, how has the geocentric
model of the solar system changed over time?


A. Jupiter is no longer at the center

B. a black hole is no longer at the center

C. the Earth is no longer at the center

D. the Sun is no longer at the center

Answers

Geocentric means earth centered
Answer is C, the earth is no longer thought to be the center of the universe

If Cystic Fibrosis runs in your family's genetics then
what could a Punnett square help you with?

Answers

Answer:

For(thinking about dominant and recessive alleles)

Explanation:

You are approaching the end of the semester and have decided to not go shopping during finals to reduce having to deal with leftover food. As a result, you indulge in a much-needed meal at the all-you-can eat buffet. Which of the following will happen after indulging in a high caloric meal?

Answers

Answer:

You will be okay after eating a high-calorie meal as long as it is not eaten often. However, eating more calories than calories that can be burned can cause weight gain.

What is the term for the remains, imprints, or traces of living things from a previous geological age? (1 point)

A sedimentary rocks
B strata
C radioactive decay
C fossils

please help

Answers

Answer:

the is D

you put 2 Cs so it is the last one

Explanation:

hope this helps

Pasteurized liquid, frozen, or dry egg products shall be substituted for raw shell eggs whenever?​

Answers

Pasteurized liquid, frozen, or dry egg products may be substituted for raw shell eggs when ;  preparing of foods such as hollandaise sauce

Pasteurized eggs

Pasteurized eggs are prepared by heating dired egg whites for a period using the the required temperature. when prepearing certain konds of meals requirimg the use of eggs pasteurized liquid,frozen or dry eggs are better suited than raw shell eggs. and one of such meal is hollandaise sauce.

Hence we can conclude that Pasteurized liquid, frozen, or dry egg products may be substituted for raw shell eggs when ;  preparing of foods such as hollandaise sauce.

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What are the two
main things that determine
climate?

Answers

Answer:

Hi.

↬ temperature and precipitation

Explanation:

↬ The yearly average temperature of the area is obviously important, but the yearly range in temperature is also important. Some areas have a much larger range between highest and lowest temperature than other areas.

what's the meaning of deamination

Answers

to remove the amino group from (a compound)
Deamination is the opposite of amination it’s a type of post-translational modification in which an amine group is removed from a protein.

Which of the following are influenced by the size of a population? (Choose all that apply)

Answers

Answer:

B,C, and A

Explanation:

Answer: The correct answers are "susceptibility to disease" and "genetic diversity"

Explanation:

I took the test

Which level of organization is shown in the image?
• cell
• tissue
•organ
© organ system

Answers

Answer:

cell

Explanation:

those are all cells in the photo

Answer:

Cells

Explanation:

Cells are circular and look exactly like what are in the picture.

If the ice melts, exposing land, there will be less ice to reflect heat and more land to absorb heat. How would this affect Earth's albedo?

A: Increase Earths albedo
B: Decrease Earths albedo
C: Stay the sam
D: Greatly increase earths albedo

Answers

Answer:

it will Increase the Earths albedo

Which feature of this animal's body is not an adaptation for life in its habitat?

Answers

Answer:

It's eyes is correct

Explanation:

its eyes helps it see, therefore it's not an adaptation like it's flippers

hope this helps <3

In a word, what caused the Bubonic Plague to spread to Europe, Asia, and Africa? A. religion B. warfare C. trade D. exploration​

Answers

Answer:

I think the answer is C.

Explanation:

in what order does the tRNA move through the binding sites of a ribosome

Answers

Answer:

A-->P--->E

Explanation:

Which of these sets out a global action plan to put the world on track to avoid climate change by limiting global warming to well below 2 degrees celsius?

A: Clean Water Act
B: Paris Agreement
C: IUCN Red List
D: Occupational health and safety Act

Answers

Answer:

It's Paris agreement  

Explanation:

Hope it helps !!! Thank You !!!

Which length of waves are MOST
harmful to humans?
Pls help!

Answers

Answer:

Short waves

Explanation:

Gamma rays are used to kill cancer cells, think of how strong it would have to be to do that, we use short waves every day, visible light isn't dangerous at all. Infrared light can be used to see in the dark so it isn't that dangerous.

please mark brainliest  :)

Match each vocabulary term to its correct example

Answers

Answer:

Direct service - coffee

Indirect service - photosynthesis

Ethical/ Aesthetic pleasure - sightseeing

How does stratospheric ozone vary on Earth? (1 point)
O Levels are higher near Antarctica than near the Arctic.
O Levels are higher near the equator than near the poles.
O Levels are higher near the equator than near the Arctic.
O Levels are higher in mid-latitudes than near the equator.

Answers

The stratospheric ozone vary on Earth because the levels are higher near the equator than near the poles.

What is stratospheric ozone?

Stratospheric ozone is an atmospheric layer of the earth that naturally filters the ultraviolet radiation from the sun.

High concentrations of stratospheric ozone are found at altitudes from 26 to 28 km of the equator and from about 12 to 20 km toward the poles.

Therefore, the stratospheric ozone vary on Earth because the Levels are higher near the equator than near the poles.

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Answer:b

Explanation:

C6H12O6 + O2 --> CO2 + H2O + ATP
a. How many atoms of each type of atom are present in the reactants?

b. How many atoms of each type of atom are present in the products?

Answers

There are, 7 Carbon atoms, 10 Oxygen atoms, 12 Hydrogen atoms in the reactants and 1 Carbon atom, 3 Oxygen atoms, 2 Hydrogen atoms in the products.

How to count the number of atoms in reactants and products?

Write down the chemical formula that is:[tex]C_{6} H_{12} O_{6}[/tex] + [tex]O_{2}[/tex] → [tex]CO_{2}[/tex] + [tex]H_{2} O[/tex] + [tex]ATP[/tex]

List all the atoms present in the equation:

C

H

O

Count the number of atoms of the element of each molecule in the reactant.

C=6

O=8

H=12

Count the number of atoms of the element of each molecule in the Product.

C=1

O=8

H=2

Hence there are,  6 Carbon atoms, 8 Oxygen atoms, 12 Hydrogen atoms in the reactants and 1 Carbon atom, 3 Oxygen atoms, 2 Hydrogen atoms in the products.

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Look at the food web shown below.

which organisms get energy from producers?

a. squid
b. zooplankton
c. sperm whales
d. phytoplankton​

Answers

B.zooplankton because it’s coming from the phytoplankton
The correct answer is B

Please help!

Which of the alternative energies we discussed in class does not usually rely on a turbine generator?

tidal energy

geothermal energy

solar

biomass

Answers

Answer: Solar

Explanation:

There are many different types of electricity generators that do not use turbines to generate electricity. The most common in use today are solar photovoltaic (PV) systems and internal combustion engines. Solar photovoltaic cells convert sunlight directly into electricity.

myth: mammals and plants don't belong in the same domain
Fact:
Evidence
I need two pieces of evidence please helppp

Answers

Answer:

fact: Mammals and plants do belong in the same domain
evidence: Domains classify by its amount of cells and the complexity of its cells.

Explanation:

Both plants and animal cells are eukaryotic, so they belong in the domain Eukarya. Eukaryotes have a nucleus in their cells and plants and animals do.

Answer:

They are in the same domain because they are in Domain Eukarya, the domain for all plants and animals. They also have similar cell complexity, and are living things.

What are the functions of the integumentary system?

Answers

Answer:

Its main function is to act as a barrier to protect the body from the outside world. It also functions to retain body fluids, protect against disease, eliminate waste products, and regulate body temperature.

Explanation:

Describe Homologous structures (definition, examples). Describe Analogous structures (definition, examples).

Answers

Answer:

Homologous structures vs.

For example, the wings of bird, bat, and insect are analogous structures. The contrasting wing anatomical features of these animals indicate that they are unrelated. The flippers of a whale and the fins of a fish are another homologous structures example.

Explanation:

how to improve rate of photosynthesis at 5 degree c to get more precise value for the optimum temperature.

Answers

increase the amount of light that the leaf is exposed to?

what is the full form of HIV


[tex]\huge{\color{black}{\fbox{\color{pink}{\colorbox{pink}{\color{red}{Question}}}}}}[/tex]​

Answers

Answer:

HIV Stands for Human Immunodeficiency Virus


What is a biodiversity hotspot?
blodiversity hotspot is a region that has lost at least _
percent of its original habitat.

Answers

A biodiversity hotspot may be defined as a region that comprises a considerable level of biodiversity that is intimidated by human habitations and possessions.

What do you mean by Biodiversity?

Biodiversity may be defined as the sum total of all the varities of living organisms on the earth's surface.

A biodiversity hotspot is a region that has lost at least 70% of its original habitat.

Other criteria for determining biodiversity hotspot are:

A high degree of threat, exploitation, and biodiversity. A high degree of endemism.The area should support more than 1500 endemic species of flowering plants.

Therefore, it is well described above.

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Answer:

A biodiversity hotspot is a region that has lost at least 70 percent of its original habitat

Explanation:

I got 100% on the post test.

Giraffe ancestors with slightly longer necks were able to reach taller food sources; these organisms survived longer and produced more offspring with the favorable variation
A: artificial variation
B: natural variation
C: both

Answers

Answer:

B

Explanation:

Its natural variation because by random mutation some giraffe had longer necks than others. However these longer necks were more favourable and allowed giraffe to survive to reproductive success. Hence the longer necked giraffes had more offspring and this randomly generated trait was passed on to more and more giraffe offspring.

Skin and nerve cells have different appearances and characteristics from each other, although they contain the same DNA. Why?
A) The DNA in nerve cells undergoes mutations making them different from the DNA in skin cells.
B) The genes in skin cells are transcribed but not translated as genes of nerve cells.
C) The genes expressed in skin cells may not be expressed in nerve cells and vice versa.

Answers

Answer:

I think the correct answer from the choices listed above is option A.

Explanation:

Skin and nerve cells have different appearances and characteristics from each other, although they contain the same DNA because the genes expressed in inskin cells may not be expressed in nerve cells and vise versa.

Complete the sentence.

greenhouse gasses (blank) energy, slowing or preventing the loss of heat to space.

Answers

greenhouse gasses absorb energy, slowing or preventing the loss of heat to space.
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