Answer:
oxygen is exchanged with carbon dioxide between the alveoli and the blood in the capillaries.
Explanation:
1. In which part of an organism's range will competition for resources be most intense and why?
Answer:
The preferred optimum range because it's the best place for survival.
please mark me brainliest :)
could someone help mee?
Answer:
I think the are saying add up the traits
Answer:
Where the arrow is pointing is where the nutrients are going. For example, the nutrients from the bird go to the fungi.
Explanation:
The Wallace Line separates marsupials from what other kinds of species?
Answer:
The Wallace Line separates marsupials from placental mammals.
Which one a b c or d.
Answer:
The answer is A. They show as the genetic makeup of extinct organisms.
6. (a) What two major changes have occurred in the North Fork Toutle River?
A massive landslide Mud flows in the Toutle river.
How changes have occurred in the North Fork Toutle River?There had been many earthquakes in the area prior to eruption but this happen to be a massive land slide because a moving magma have over steepened the mountain slopes.
This geologic process uses gravity to cause rock, soil, artificial fill or a combination of the three to move down a slope. Slow weathering of rocks as well as soil eruption and volcanic activity also causes landslides
Thus, massive landslide Mud flows in the Toutle river.
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DNA from a wolf is compared to DNA from a maple tree. Both will contain the
a. sugar deoxyribose and the base guanine
b. sugar deoxyribose and the base uracil
c. sugar ribose and the base guanine
d. sugar ribose and the base uracil
The DNA of both wolf and a maple tree contains the sugar deoxyribose and the base guanine.
What do you mean by DNA?DNA stands for deoxyribose nucleic acid. It is considered one of the most important genetic materials which are present in most organisms.
DNA possesses the sugar deoxyribose, while RNA contains the sugar ribose. As a wolf and a maple tree both possess genetic material DNA, the sugar found in both is deoxyribose.
DNA contains nitrogenous bases such as Adenine, Thymine, Guanine, and Cytosine, while RNA contains Uracil in place of thymine.
Therefore, the DNA of both wolf and a maple tree contains the sugar deoxyribose and the base guanine.
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What would happen to plants if they were deprived of sunlight?.
Plants that are sunlight deprived can lose their colour and die, this means that photosynthesis can't take place either.
Select the correct location on the image.
An ecosystem had reached its carrying capacity for hyenas. Then, a sudden drought in the region caused many of the hyenas to die. The
population of hyenas eventually recovered, once again reaching carrying capacity. Which graph represents the change in the hyena populatic
over time?
YA
Population
Time
Answer:
B
Explanation:
Top right
Which form of pollution causes acid lakes and rivers?
Answer:
air pollution
Explanation:
daphnia longicephala is a freshwater crustacean that can detect
Answer: It can detect chemical cues produced by the predator Notonecta glauca.
Explanation:
In most cases, bioluminescence is useful for:
attracting prey
producing oxygen
supporting plant life
navigating dark waters

Answer:
Attracting prey
Explanation:
Rule out other answers.
Plants in dark water already are adapted.
If a fish such as an angler fish lives in dark waters then there would not be a need to create light to see because then they could just live in a different part of the ocean.
Light doesn't create oxygen.
If you want to measure the length of a football field in metric units, which of the following are you most likely to use?
centimeters
centiliters
hectoliters
hectometers
Answer: hectometers
Explanation:
Any change in a sequence of DNA is ...
A. a mutation.
B. mitosis.
C. a virus.
Answer:
A. Mutation
Explanation:
A change in the sequence of DNA would be best classified as a mutation. Mitosis refers to the reproduction of cells, and a virus is a foreign body that infects cells.
Answer:
A. Mutation
Explanation:
when you change DNA it causes mutations because they have been ruptured and many things could go wrong in your body, so stay away from x-rays and such because that can cause one. :)
When developing a business plan for a greenhouse, one of the things a grower will wish to do is calculate
crop costs and crop yield estimates using what base unit?
a. per square yard
b. per acre
c. per square foot
d. per building
*its c*
A grower will wish to do is calculate crop costs and crop yield that estimates by using a base unit known as per square foot.
What do you mean by Crop yield?The crop yield may be defined as the total productivity of a crop at a particular season, It also deals with the weight of grains that are grown in the agricultural field.
The cost of a crop with respect to its yield is always calculated by using a base unit called per square foot.
Therefore, a grower will wish to do is calculate crop costs and crop yield that estimates by using a base unit known as per square foot.
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Which of the following is defined as a system in the food production process that falls outside of pre-
determined regulators?
O non-conforming
out of control
O unregulated
O out of compliance
Explanation:
non-conforming
out of control
If you were to observe the activity of methylated dna, you would expect it to _____.
If you observe the activity of methylated DNA, you would expect the change in the activity of DNA molecule.
What is the activity of methylated DNA?DNA methylation is a process by which methyl is added to the DNA molecule which can change the activity of a DNA without changing the sequence. When it is located in a gene promoter, DNA methylation acts to repress gene transcription.
So we can conclude that If you observe the activity of methylated DNA, you would expect the change in the activity of DNA molecule.
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The heat from the room heater spreads throughout the room by
Radiation
Convection
Conductor
Insulator
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Radiation
Radiation is heat traveling in the form of visible and non-visible light.Answer:
Radiation
Explanation:
Heat travell in a form of invisible light
Whose cell does not have a cell wall ? a) human b) algae c) plants d ) bacteria
with explanation .
Human
animals always move, they are not static in one particular place, therefore they need to be flexible. Therefore additional layer i.e cell wall is not required
Which of the following affects the carrying capacity of an ecosystem?
A.
availability of water
B.
number of predators
C.
availability of food
D.
all of these
Answer:
I think your answer would be D. All of These.
Explanation:
All of them are needed.
What is the branch of biology that investigates cells called?.
Answer:
The branch of biology that studies the cell and its process in detail is called cellular biology or cytology
Explanation:
This includes studying their structure, functions, and biochemical processes.
The branch of biology that investigates cells is called cell biology.
What is cell?Cell is the smallest unit in biology that can sustain life on its own and makes up all living things as well as the body's tissues.
The cell membrane, the nucleus, and the cytoplasm are the three primary components of a cell. The substances that enter and leave the cell are governed by the cell membrane, which encloses the cell.
The study of cell structure and function is known as cell biology, and it is based on the idea that a cell is the basic building block of all life.
A thorough grasp of the tissues and organisms that cells make up is made possible by concentrating on the cell.
Thus, cell biology is the branch that investigates cells and its structure and functioning.
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6. What are four main principles to the theory of natural selection?
Answer:
variation, inheritance, selection and time
high temperature from too much heat of the sun could be experienced during ______ seaseon
Answer:
Summer
Explanation:
Since summer months are usually more hot, the temperature is higher. This can have many effects on people. For example, if your body temperature rises to 104 C or higher it causes heatstroke.
If you placed blood tissue in a hierarchy pyramid, what hierarchical levels would go directly above and
below it?
O
Above: cardiovascular system
Below: heart
Above: heart
Below: organ system
Above: heart
Below: red blood cells
Above: cardiovascular system
Below: red blood cells
If you were to place blood tissue in a hierarchical pyramid, the hierarchical levels would be directly Above: cardiovascular system, Below: heart
What is the cardiovascular system?The cardiovascular system is made up of the heart and blood vessels. The heart works like a pump, allowing blood to be pumped. Arteries are blood vessels that carry blood from the heart to the body. Veins are blood vessels that ensure the return of blood to the heart.
With this information, we can conclude that if you were to place blood tissue in a hierarchical pyramid, the hierarchical levels would be directly Above: cardiovascular system, Below: heart
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chlorophyll is necessary for photo
synthesis
Answer:
Yes
Explanation:
Im doin it rn in edge
Biochemical Evidence-definition
Answer:
is based on the fact that certain enzymes and chemical processes are found in the cells of all or nearly all life on Earth.
which of the following organelles are found in plant cells but not animal cells
Answer:
The plant cells have cell wall, plastids, chloroplasts. These organelles are NOT present in animal cells.
A major difference between scientific explanations and commonsense explanations is that scientific explanations are
Answer:
scientific explanations are descriptions that are tested, observed, and backed up with evidence for realities in the natural world.
Which is a tectonic process that forces rock up from beneath earth's surface
Answer:
Uplift is a tectonic process that forces rock up from beneath earth's surface
Uplift is a tectonic process that forces rock up from beneath earth's surface.
What is tectonic process?
The process of plate tectonics may be driven by convection in Earth's mantle, the pull of heavy old pieces of crust into the mantle, or some combination of both.
Uplift, in geology, vertical elevation of the Earth's surface in response to natural causes. Broad, relatively slow and gentle uplift is termed warping, or epeirogeny, in contrast to the more concentrated and severe orogeny, the uplift associated with earthquakes and mountain building.
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1. Assuming there has been no geological activity to disturb the order of the rock layers, state in which rock layer (A-O) you would find:
(b) The oldest rocks at Location 1:
Assuming there has been no geological activity to disturb the order of the rock layers, rock layer is (b) The oldest rocks at Location.
What are the Finding of the oldest rocks?The global is a tougher challenge than it'd seem. Earth's crust is a dynamic gadget and is constantly in motion, so rocks are always being moved around, created and melted down withinside the fantastic geological recycling programThe oldest zircon dates are 4.36 billion years. Before this study, the oldest dated rocks have been from a frame of rock called the Acasta Gneiss withinside the Northwest Territories, which can be 4.03 billion years old.
There were older dates from Western Australia for remoted resistant mineral grains referred to as zircons," says Carlson, "however those are the oldest complete rocks located so far." The oldest zircon dates are 4.36 billion years.
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Why is hair follicle and hair shaft important ?
Answer:
A hair follicle anchors each hair into the skin. The hair bulb forms the base of the hair follicle. In the hair bulb, living cells divide and grow to build the hair shaft. Blood vessels nourish the cells in the hair bulb, and deliver hormones that modify hair growth and structure at different times of life.
Explanation: