Answer:
Starting about 375 million years ago, transitional “fishapods,” with both primitive, fish-like traits and adaptations for semi-aquatic living, begin to appear in the fossil record.
Which of the following is required for photosynthesis to take place? a. sugar b. oxygen c. atp d. water please select the best answer from the choices provided a b c d
The answer will be :
D. water.
Water, is required for photosynthesis to take place.
How does photosynthesis work in plants?Photosynthesis is the process of creating sugar and oxygen from carbon dioxide, water and sunlight. It happens through a long series of chemical reactions.
But it can be outlined like this Carbon dioxide, water and light go in. Glucose, water and oxygen come out.
Thus, Water, is required for photosynthesis to take place.
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1. On what type of land does a primary succession first begin to occur?
In a mouse, the axis that determines the body pattern from the nose to the tip of the tail is.
Answer:
antero-posterior
Explanation:
the axis that determines the body pattern from the nose to the tip of the tail
Which of the following does water pollution affect: surface water, ground Water, or ocean water? A)Pollution affects surface water and ground water only.
B)Pollution affects surface water, ground water, and ocean water.
C)Pollution affects surface water and ocean water only.
D)Pollution affects groundwater and ocean water only.
Water pollution includes any kind of water masses or currents. Option B is correct. Pollution affects surface water, ground water, and ocean water.
What is water pollution?
Water pollution can be defined as the abnormal accumulation of strange elements in the water with harmful consequences to natural ecosystems.
Water pollution involves all the possible ways in which any water body can be contaminated with harmful elements.
The most damaging source of water pollution is human activities, producing the biggest damage to natural ecosystems.
Contaminating elements might be either gasses, solid material, or liquid material. Chemical elements, microbiota, heavy metals, and sediments affect all forms of life.
As said before, several sources can contaminate water masses, and they do it directly and indirectly.
Directly pollution occurs when a strange element is thrown directly into the water. They can be thrown directly into a river, a lake, the sea, or the ocean.
Indirect pollution occurs when pollutants travel from other places and contaminate other masses of water. For instance, a polluted river contaminates the lake where it ends. The lake pollutes the river that begins in the lake. This last river ends in the sea and takes all pollutants to the sea.
We can affirm then that water pollution affect surface water, ground water, or ocean water. Option B is correct. Pollution affects surface water, ground water, and ocean water.
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Answer: pollution affects surface water, groundwater and ocean water
Explanation: I did the test and this is an easier answer then reading through the whole other one
What part of the continental glacier moves the fastest?
Answer:
The centre
Explanation:
The reason is that there's less friction at the center.
Hope this makes sense! If you have further questions, let me know!
- profparis
Which question about a soil sample can be answered using the sense of touch?(1 point) What color is the soil? What color is the soil? Is the soil grainy? Is the soil grainy? How quickly does water flow through the soil? How quickly does water flow through the soil? Does the soil smell good or bad? Does the soil smell good or bad?
The question that can be answered using the sense of touch is : ( B ) is the soil grainy
Sense of touch
The graininess of the soil can be felt by the touch of the hands because it is a physical attribute of the soil that can be seen and touched as well. the color of the soil and how quickly water flows through the soil can only be examined with the physical eyes but cannot be felt.
Hence we can conclude that the question that can be answered using the sense of touch is the soil grainy.
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Please answer asap for chance of brainiest! How would you expect the rate of meat digestion to differ in an animal whose digestive tract had less of the enzyme pepsin?
Answer:
The four basic types of digestive systems in animals are monogastric, avian, ruminant, and pseudo-ruminant. Monogastric animals, such as swine, eat rations high in concentrates. The avian digestive system, found in poultry, is completely different from the other three types of digestive systems.
Explanation:
The four basic types of digestive systems in animals are monogastric, avian, ruminant, and pseudo-ruminant. Monogastric animals, such as swine, eat rations high in concentrates. The avian digestive system, found in poultry, is completely different from the other three types of digestive systems.
Carnivores or meat eater, digestive system of them is very short because meat is very easy to digest, hence the level of acid in the stomach is high while the digestive system of herbivores are long so their digestion is slow and the level of acid in the stomach is high.
Who are Carnivores and Herbivores?A carnivore is an organism that eats meat, or the flesh of animals. Sometimes they are also called hunters while some prey are called prey. Carnivores are a major part of the food web.
A herbivore is an organism which feeds on plants, ranges from in small size tiny insects such as aphids to large, lumbering elephants to large animals like cow, buffalo . Herbivores are a major part of the food web.
Herbivores eat only plant or plant products like sheep, cow, goat, etc. Carnivores are those who can eat animals only, for example lions, tigers, etc.
Thus, Carnivores or meat eater, digestive system of them is very short because meat is very easy to digest, hence the level of acid in the stomach is high while the digestive system of herbivores are long so their digestion is slow and the level of acid in the stomach is high.
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A student is investigating the strength of electromagnets she created using batteries, wire, and nails.
She uses two different-sized nails and varies the number of coils of wire around the nail to determine how many paper clips each configuration can lift. She makes a data table of the results.
The student hypothesizes that the number of coils has a cause-and-effect relationship on the strength of the magnetic devices she made. Which would be the best way for the student to test the devices to be sure that her hypothesis is accurate?
Explanation:
You will change two variables to make different electromagnets: the number of wire coils around the nail (10 or 20) and the number of D cell batteries.
giving brainiest!!!!!Moving Matter You are going to create your own model that shows the movement of matter among plants, animals, decomposers, and the environment. Part One You will create a 3-D model (diorama) or a 2-D model (poster) showing the movement of matter. Your model must include the following: • labels of plants, animals, decomposers, and the environment descriptions of plants, animals, decomposers, and the environment Brainstorm ideas about what you want to create. Think about the materials you would like to use and what you need to gother or buy. Write your list in the space provided.
Answer:
It is in the screenshot
Explanation:
Sorry for the sloppy writing (I'm not good with writing with a mouse on a computer).
Hope this helps! Please let me know if you need more help or think my answer is incorrect. Brainliest would be MUCH appreciated. Have a wonderful day!
What happens to a species if an environment changes and there are no variation
among the population?
Answer:
The homes of the species would be ruined, and they might become extinct.
Explanation:
Pollution causes a lot of bad things to species to homes and them in general.
Question 23 (1 point)
Which below is NOT part of the lymphatic system?
a
spleen
b
bone marrow
C
lymph nodes
Od
tonsils
which of the following species of fish would likely contain the highest levels of contaminants? mahi-mahi swordfish flounder salmon
Swordfish would likely contain the highest levels of contaminants.
Peroxidase is a protein. What is this protein’s function, and how did it get its name?.
Answer:
Most peroxidases are ferric heme proteins; one notable exception being the glutathione peroxidase, which is a selenium-containing enzyme. They are present in virtually all living species.
Protein has many roles in your body. It helps repair and build your body's tissues, allows metabolic reactions to take place and coordinates bodily functions. In addition to providing your body with a structural framework, proteins also maintain proper pH and fluid balance.
Help me please!!! Can somebody help me
Answer:
c
Explanation:
Match the key terms to their corresponding definition!
Answer:
Denature - Break down, Substrate- What an enzyme acts on, Inhibitor- Decrreeses activity, Transition state- Highest energy
Explanation:
8. Example Eight 14.3
The diagram below represents a cell.
2
Which organelle is the site where amino acids are synthesized into proteins?
A.1
B.2
C.3
D.4
The cell organelle which serves as the site of protein synthesis in the cell is the ribosomes.
What are cell organelles?Cell organelles are membrane-bound structures whivh are found embedded within a cell cytoplasm and which perform specific functions for the cell.
Some cell organelles include:
mitochondria ribosomeslysosomesGolgi bodiesThe ribosome is a cell organelle which functions as the site for protein synthesis in the cell.
Therefore, the site of protein synthesis in the cell is the ribosomes.
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10. In the process of photosynthesis, the ____
a. Calvin cycle yields CO2.
c. Calvin cycle breaks down H,O.
b. light-dependent reactions release oxygen.
d. light-dependent reactions produce NADP+.
The inner cell mass cells of the fetus are destined to become:
Explain the structure and function of the eye as a sensory receptor including the role of;
A) The cornea and lens
B) The iris
C) Rod and cone cells in the retina
NOTE - the letters listed are NOT answers, they are separate points that need clarifying.
Answer:
A) The cornea is the transparent outer covering of the eye,The lens is a curved structure in the eye that that bends light and focuses it for the retina to help you see images clearly.The lens works together with the cornea to focus light correctly on the retina. When light hits the retina (a light-sensitive layer of tissue at the back of the eye), special cells called photoreceptors turn the light into electrical signals.
B)The iris is the part of the eye that makes up your eye color. A circular muscle with a hole in the middle.The iris controls the amount of light that enters the eye by opening and closing the pupil. The iris uses muscles to change the size of the pupil. These muscles can control the amount of light entering the eye by making the pupil larger or smaller.
C)Rod cells are highly sensitive to light and function in nightvision, whereas cone cells are capable of detecting a wide spectrum of light photons and are responsible for colour vision.
Note - hope this is accurate :)
The influx of which ion is directly responsible for triggering the release of acetylcholine from a motor neuron?.
Answer:
The influx of which ion is directly responsible for triggering the release of acetylcholine from a motor neuron? When an action potential from a neuron reaches an axon terminal, voltage-gated calcium channels open. The influx of calcium triggers exocytosis of acetylcholine.
PLEASE HELP ITS TIMED
Your teacher describes a population of fish that live in a coral reef. Some fish are dark orange (the same color as the coral); other fish are nearly white. Human activity has led to the bleaching of the coral reefs, making them very pale in color. Over time, the population of fish will be affected. Which graph represents the type of selection that you expect to occur?
A graph has trait value on the horizontal axis and population of individuals on the vertical axis. The original population and population after selection have similar curves, but the original population peaks before the population after selection.
A graph has trait value on the horizontal axis and population of individuals on the vertical axis. The population after selection increases, decreases, increases, and then decreases again. The original population increases at the point that the original population drops.
A graph has trait value on the horizontal axis and population of individuals on the vertical axis. The original population peaks at the same time as the population after selection but the population after selection peaks higher and at a more rapid speed.
A graph has trait value on the horizontal axis and proportion of individuals on the vertical axis. The original population and population after selection have similar curves but the original population is slightly higher at all points.
Answer:
The answer is Graph A.
Kyle finds an invertebrate outside in the dirt. the invertebrate has a long, tube-like body that is divided into many different parts. he researches the organism and finds out that it has a nervous system, blood vessels, and a long digestive tube that runs down the length of its body. it can also absorb dissolved oxygen through its skin. the organism that kyle found is most likely a(n) _______. question 4 options: echinoderm arthropod segmented worm mollusk
Since, it has a nervous system, blood vessels, and a long digestive tube is most likely a segmented worm.
What is a segmented worm?
Segmented worms have long tube-like bodies that are divided into segments.
They are the simplest organism with a true nervous system and blood contained in vessels.
They have a long digestive tube that runs down the length of the worm's inner body.
They can take in dissolved oxygen from the water through their skin.
Thus, a segmented worm has a nervous system, blood vessels, and a long digestive tube.
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Choose the best option to complete the sentence.
Scientists worried that cloned animals would age rapidly because their cells contain _____ as old as the individual they were cloned from.
a. cytoplasm
b. RNA
c. proteins
d. DNA
Answer:
D DNA
Explanation:
I took the test and got it right
In and agricultural area, heavy rainfall caused a flash flood. the topsoil from a freshly fertilized field washed into a local stream. as a result, the amount of nitrogen in the water drastically increased, causing algae to grow record levels and cover the surface of the stream. what effect did this bloom of algae have on the stream?
Answer:
The algae can release harmful chemicals known as "bio-toxins" that can contaminate the water and kill the organisms living in the ecosystem
Explanation:
Occluded front with points labeled A through D. A: an area of very cold air. B: cold air. C: warm air. D: the ground. The diagram shows an occluded front. Which point identifies the warm air mass in this front? A B C D.
The point that identifies the warm air mass in this front is warm air. So, the correct option is C.
What do you mean by Occluded front?An occluded front may be defined as a composite front formed when a cold front overtakes a warm front and forces it aloft.
The occluded front consists of various points. Each point has a specific property and identity. The temperature of the air is also specific to each point of the occluded front.
Therefore, the point that identifies the warm air mass in this front is warm air.
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Answer: The right answer is c.
Explanation: I took the assignment on edge 2022.
What is the only form of nitrogen that plants can absorb?.
The only nitrogen plants can absorb is nitrate. Nitrogen assimilation in plants. Plants absorb nitrogen from the soil in the form of nitrate (NO3−) and ammonium (NH4+). In aerobic soils where nitrification can occur, nitrate is usually the predominant form of available nitrogen that is absorbed.
hope this helps!
(science)
18 point!
i'll give 5 star,1 thank who do all of this question THANK YOU!!!
Answer:
gravitational
sun 274m/s²
mecury - 3.7 m/s²
earth - 9.807 m/s²
Mars -3.721m/s²
what is a DNA structure
Answer:
DNA is a two-stranded molecule that appears twisted, giving it a unique shape referred to as the double helix. Each of the two strands is a long sequence of nucleotides or individual units made of: a phosphate molecule. a sugar molecule called deoxyribose, containing five carbons.
please help on these two pictures
Answer:
1.) D.
2.) A.
3.) C.
4.) Mutualism
5.) either parasitism or predator-prey
6) toxins
7) host
8)viruses
Which of these organisms has a sac body plan, and radially symmetry?
Answer:
?
Explanation:
I'm gonna need a picture or some options because you question makes no sense
The organisms like Jellyfish, Corals, and sea anemones have a sac body plan, and radially symmetry.
What do you mean by Radial symmetry?
Radial symmetry may be defined as the symmetry in which the sides indicate correspondence or regularity of the parts around a central axis.
Apart from the above organisms, the member of the phylum Coelenterate which contains approximately 10,000 species also possesses the same body plan.
Therefore, the organisms like Jellyfish, Corals, and sea anemones have a sac body plan, and radially symmetry.
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