Which of the following are the first organisms to have a one-way digestive system?
A. roundworms
B.flatworms
C.jellyfish
D.sponges

Answers

Answer 1

Answer:

A. round worms

Explanation:

they were the first organisms to have a one-way digestive system

Answer 2

Answer:

the roundworms i believe

Explanation:

hope i helped in some way


Related Questions

A raccoon consumes 500 calories of food. 50 of those calories are converted to biomass. In other words...?

Answers

Answer:

10 % of the energy. This efficiency of energy transformation is high

Explanation:

EXPERT HELP: I'LL GIVE BRAINLIEST:

Choose TWO statements

Answers

the answer is B and D i learned this in biology last week
I learned this and it’s B and D

Questions

1. What city is near the epicenter? (Look at the Map and find the spot that is triangulated.)

Answers

Answer:

This is a quick picture of the Answer that ur looking for Hope it Helps Have a Great Day!

Explanation:

Long Beach California




Why are young plants like but not identical to their parents?

Answers

Answer:

Dna

Explanation:

because the plants adapt to the dna of the other plants I think

EXPERT HELP: I'LL GIVE BRAINLIEST:

Choose TWO statements

Answers

The answer is B and D
I believe it’s b and d

Steffan set up an experiment to test out his theory. He set up a test to compare bees that were exposed to fungicide to a control (bees that were not exposed). What did he find?



There was no effect at all. His prediction was not correct


He could not keep the control population from going to plants sprayed with fungicide, so his experiment did not work


90% of the bees in exposed to fungicide got Colony Collapse disorder


Significantly more bees died who were exposed to the fungicide.

Answers

Answer:

more bees died who were exposed to the fungicide

More bees died who were exposed to fungicide

Mira is testing objects for her science experiment. She has a chart listing the mystery objects' densities, but no other information.

Object Density
A 12 g/cm³
B 9 g/cm³
C 3 g/cm³
D 6 g/cm³

She places each object in a large bowl of water in order to determine if any float. Which of the objects, if any, will float?
A. A
B. C
C. All objects will float
D. No objects will float

Answers

The answer is B. That’s because C is the less dense

Choose all that apply. Sponges are different from other animals in that they: move only as adults move only as juveniles possess specialized tissue possess uniform tissue are completely sessile exhibit no bi-lateral symmetry

Answers

Answer:

The first question would be all vertebrates belong to the Chordata phylum.

The second question is they possess specialized tissue, are sessile, and exhibit NO bilateral symmetry.

The third question is that the largest phylum in the Animalia kingdom is the Arthropoda.

Chordata Phylum: Eagle.

Insecta Class: Lady Bug.

Arachnida Class: Scorpion.

Crustacea Class: Lobster.

Mollusca Phylum: Snail.

Explanation:

Someone please help me!

Answers

Answer: A. i believe

Explanation:

Answer: A (If I’m wrong please correct me)

What are the mistakes in the equation? 4C6H12O6+6CO2= 6H2O+6CO2+ATP

1. Reactions cannot happen without energy, this there should be ATP before CO2
2. The input of CO2 should be Switched with the O2
3. There should not be a number before the glucose
4. The H2O and CO2 should be switched
5. Water is not involved in the equation at all.
Just put the numbers of the wrong ones down.

Answers

Answer:

the no. 3 is the wrong one

I need help on this row thanks !

Answers

For 3 the value of x is 106

For 6 the value of x is 20

For 9 the value of x is 44

Answer:

1.) x = 106

2.) x = 20

3.) x = 44

Explanation:

1.) 174 - 68 = 106

2.) 6x = 120

x = 20

3.) 3x + 30 = 162

3x = 132

x = 44

Only summarize section pls due I’ll give brainliest and 25 point please help

Answers

carbon film is an organism outline of a fossil. It is a type of fossil found in any rock when organic material is compressed, leaving only a carbon residue or film.
trace fossils are geological records of biological activity. They are fossils, but not of the living things themselves. The term includes the remains of other organic material produced by an organism
Soft tissues quickly decompose leaving the hard bones or shells behind. Over time sediment builds over the top and hardens into rock.

I NEED HELP THIS IS DUE IN LIKE 10 MINUTES OML
2 Questions
1. Use the following terms for in a separate sentence:Tissue,Organ,And Function

2.Explain the relationship between structure and function. Use alveoli as an example. Be sure to include more than one level of organization.

Thank you!!!!!!!

Answers

Answer:

1.A tissue is a collection of similar cells that work together to perform a specific job.

An organ is a collection of different tissues that work together to perform a specific job. The function of a part of an organism is what it actually does (it's job)

2.The structure of the alveoli as a web of blood vessels surrounding an air sac allows blood cells take in oxygen and bring it into the lungs (organ)

Answer:

1. All animals have tissue

Animals have to have organs to live

All animal cells have a specific function

2. Alveoli are tiny sacks who function is to contain and exchange gases such as oxygen and carbon dioxide. the structure of alveoli, as tiny sacks surrounded by tiny blood vessels includes the cells that make up the tissue of the alveoli and the tissue that joins alveoli to the bronchioles, which are part of the lung. the lungs are made of several kinds of tissue, such as the bronchi, bronchioles, and alveoli

(you might want to paraphrase these! <3)

why is the prevention of epidemics usually easier than the prevention of pandemics

Answers

Answer:

Most epidemics are like protest, but pandemics are fast spreading diseases that are hard to stop

Explanation:

plz pick me brainliest

(1) Use complete sentences to explain the advantage of using binomial nomenclature in the system of classification. Also explain what kind of information you can get about the organism from its scientific name.





(2) The diagram below shows the branching tree diagram for humans. The text box below it shows the set of derived shared characteristics for the branching tree.

A slanting, horizontal line is shown. On the extreme left, there is a label that says Common Ancestor. Along the slanting, horizontal line there are five dots labeled from left to right as 1, 2, 3, 4, and 5. There is one vertical line between each of the consecutive five dots. The lines are labeled from left to right as Perch, Frog, Pigeon, Rats, and Human. A text box below the branching tree diagram is labeled Derived Shared Characteristics. In the box it says from left to right, Terrestrial during all stages, Jaws, Walking on two legs, Mammary glands and hair, and Four limbs.

Look at the possible derived shared characteristics, shown in the text box. Think about where these should be placed along the branching tree diagram. From the text box, select a shared derived characteristic that frogs and pigeons have. Explain why you think frogs and pigeons share this characteristic.

Answers

Answer:

The advantage of using a binormal nomenclature in the system of classification is it formally names animals of a species of living things by giving a two-part name which either is based on Latin or other languages. One Part is used to classify the genus and the second part of the specific name. An example of this would be ( for humans ).

Hope I helped you,

Help need help please!!

Answers

Answer:

I am not too sure but maybe A?

Explanation:

Because plants are part of the biosphere and land is part of the geosphere

I am sorry if it is wrong

Answer:

I think A

Explanation:

PLEASE HELP I NEED THIS DONE TODAY. THE QUESTION IS UNDERLINED . FILL IN THE THINK SECTION ONLY

Answers

How fast/the speed
How fast/ or slow the object decreases
And the changes in direction
The acceleration of an object depends on the mass of the object and the amount of the force applied to it. It states that the acceleration of an object increases with increased force and decreases with increased mass

50 POINTS
Select the correct location on the image.
Which part of the ecological pyramid is incorrect?

Answers

Answer:

primary consumers

Explanation:

Answer:

Energy Flow

Explanation:

48:11
What negative effect occurs when there is a decrease in air quality?

faster evaporation of water in the soil
the drying out of fertile land, resulting in dust bowls
the melting of glaciers and polar ice caps
increased illnesses that result in a decrease in population

Answers

Answer:

D) increased illnesses that result in a decrease in population

Answer:

its d ;  increased illnesses that result in a decrease in population

Explanation:

Explain why the structures in flowers increase their odds for reproduction.

Answers

Answer:

MOST FLOWERS ARE STANDING STRAIGHT UP. FLOWERS ARE MOST LIKLEY TO REPRDUCE THROUGH THE WIND. SINCE THE FLOWER IS STANDING STRAIGHT UP IT WILL CATCH MORE.

Explanation:

im d u m b and left caps lock on.

The the structures in flowers increase their odds for reproduction and most flower are standing straight up and flower are most likely to reproduce through the wind. Since the flower is standing the straight up it will catch more.

What is pollination?

The term pollination has been defined as the act of the exchanging the pollen grain from the anther which is male part of the flower to the stigma female part of the flower. This is the main objective of each and every living organisms.

Reproduction has been defined as the process carried out by the living organisms and during the process of the reproduction the living organisms produces their own young ones and feed them. Reproduction has been the supreme quality of living things.

There has been two types of the reproduction and these are the sexual and asexual reproduction. The process of the reproduction in which two parents are involved has been said to be sexual mode of the reproduction and the process of reproduction in which only the single parent has been involved is known as the asexual mode of the reproduction. The example of the asexual reproduction are budding, fragmentation, spore formation, and binary fission.

Therefore, The the structures in flowers increase their odds for reproduction and most flower are standing straight up and flower are most likely to reproduce through the wind. Since the flower is standing the straight up it will catch more.

Learn more about pollination on:

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What do horseshoe crabs and spiders have in common?
A.They both produce silk thread.
B.They are both water-dwellers.
C.They both have two parts to their bodies.
D.They both have four pairs of legs.

Answers

the answer is A :)

both horseshoe crabs and spiders produce silk
The answer is A took the test

What would the function of Mitosis and meiosis be in a mosquito?

Answers

Answer:

Like any other cells the cells of the mosquito also undergoes the cell cycle. When it is in the resting Interphase growth occurs in the cells and replication of chromosomes occur. Then in prophase the nuclear membrane is lost and the chromosomes become thickened and coiled.

Explanation:

Answer:

Like any other cells the cells of the mosquito also undergoes the cell cycle. When it is in the resting Interphase growth occurs in the cells and replication of chromosomes occur. Then in prophase the nuclear membrane is lost and the chromosomes become thickened and coiled.

Martha is telling her teacher how an animal cell is like a house. Which part of the animal cell is like the doors and windows in Martha's house?

Answers

Answer:

cell membrane is like doors and windows!!

Hope this helps!

Explanation:

Answer:

Cell membrane

Explanation:

The cell membrane is selectively permeable meaning it allows some things to enter and leave unlike the cell wall which is fully permeable so it allows everything to pass through it

Lauren makes an art piece using the densities of various liquids to create layers of colors. She first determines the density of each liquid. Then she pours them into a glass container and watches them separate into layers.

Answers

Answer: you need to divide mass by volume, the honey will sink to the very bottom and the corn oil will float to the top

Explanation:

Lauren needs information like the mass of each substance with respect to its volume in order to estimate the density of each liquid specifically.

What is Density?

Density may be defined as a type of physical property that significantly deals with the description of how much space an object or substance takes up with respect to the amount of matter in that object or substance.

In a more simple sense, it is characterized as the measurement of quantity or mass per unit of volume in a particular substance.

According to the question, Lauren calculates the densities of each liquid with the help of the following formula:

Density = Mass/Volume.

According to the densities given in the question, the liquid that has a density less than that if water, it will float in water. While the objects or liquids that have a density more than that of water, it will sink to the very bottom.

So, corn oil will float over the surface of the water, while honey will sink to the very bottom.

Therefore, Lauren needs information like the mass of each substance with respect to its volume in order to estimate the density of each liquid specifically.

To learn more about Density, refer to the link:

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Between which of the following points would we be able to calculate the displacement of the butterfly? a. A-B b. A-F C.AG​

Answers

The answer is most likely to be AG
It’s AG I think :)) hope this helps!!!

Help Me Please!!!!!!

Answers

i need help with the same one

Among the gas giants, which planet has the lowest number of known natural satellites orbiting it?

Answers

Answer:

neptune

Explanation:

it has the least

Among the gas giants, Neptune has the lowest number of known natural satellites orbiting around it. Neptune has 14 satellites which revolve around it.

What are gas giants?

A gas giant is a giant planet which is composed mainly of hydrogen and helium gases. Gas giants are also known as failed stars because they contain the same basic elements which are present in the stars. Jupiter and Saturn are the gas giants of the Solar System. The gas giants can also be called as giant planets.

The four gas giants in the solar system are Neptune, Uranus, Saturn, and Jupiter. These are also known as the Jovian planets, it refers to the Roman god Jupiter and was intended to indicate that all of these planets were similar to Jupiter god. Among these gas giants. Neptune contains the least number of satellites i.e., 14 orbiting around it.

Learn more about Neptune here:

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The snowshoe hare has two distinct coat patterns for different seasons of the snowy tundra habitat. Which statement describes how the coat patterns provide an adaptation for snowshoe hare survival in the tundra?

A.The white coat on females will attract the dark-coated males and allow reproduction and survival in all seasons.

B.The dark coat will absorb heat in the winter, keeping the hares warm, while the white coat will reflect heat in warmer seasons.

C.The white coat provides camouflage against snow in the winter while the dark coat blends with the natural environment in warmer seasons.

D.The dark coat attracts mates in the winter because it is visible against the snow, while the white coat will help attract mates in warmer seasons.

Answers

I think the answer is B
I believe the answer to the problem is C

Mira is testing objects for her science experiment. She has a chart listing the mystery objects' densities, but no other information.

Answers

Answer:

the answer is B

Explanation:

27÷3=9 so B

The right answer is b

Fill in each blank with the type of energy being described



The sun gives off ____energy, which enters the atmosphere. Plants absorb some of the energy

and perform photosynthesis to convert it into____energy in the form of sugars. Plants and the

animals that eat them then turn that energy into a different form of ____

energy, in the form of

ATP. When plants and animals use the energy, it becomes ____ energy

Answers

Explanation:

Solar

light

Chemical

Kinetic

The sun gives off HEAT energy. Plants convert it into CHEMICAL energy. Plants and animals turn that energy into a different form of CHEMICAL energy. When plants and animals use energy, it becomes KINETIC energy.

Photosynthesis refers to the chemical reactions by which plants use heat energy from the sun to create chemical energy in the form of chemical bonds of sugars.

Both animals and plants perform a series of metabolic reactions collectively known as cellular respiration.

Cellular respiration refers to the reactions by which plants and animals produce chemical energy in the form of ATP, the energy coin of the cell.

Finally, kinetic energy is the energy associated with motion both in plant and animal cells, which is required to carry out metabolic functions (e.g., reproduction, growth, differentiation, etc).

In conclusion, the sun gives off HEAT energy. Plants convert it into CHEMICAL energy. Plants and animals turn that energy into a different form of CHEMICAL energy. When plants and animals use energy, it becomes KINETIC energy.

Learn more in:

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