BIOLOGY MIDDLE SCHOOL

PLZ HELP!Which organ is being described in this statement?
If this organ malfunctions, all other body systems will be starved of oxygen.

A. heart
B. kidneys
C. skin
D. small intestine

Answers

Answer 1
Answer: YOUR ANSWER IS : A THE HEART

HOPE THIS HELPED AND IF YOU CAN PUT ME AS BRAINLIEST ANSWER
PLEASE?
Answer 2
Answer: a. Heart!!
 ~hope I helped

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Organisms at higher trophic levels tend to be fewer in number than those at lower trophic levels.Please select the best answer from the choices provided T F
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If finches on the Galapagos Islands had such different beaks, how could Darwin think they shared a common ancestor from the mainland?
Which is an example of a response to a stimulus A.loss of water from the body as a result of excess sweatingB.the thick fur on an animal to protect it from cold weatherC.an increasing heart rate when blood oxygen levels dropD.the presence of allergens in the air
For this assessment, you will write a short story.1. In your story, you will pretend that you are traveling in an area and notice different plants, animals, and other species. You can use your imagination and create pretend organisms, or use examples of real organisms. 2. You will use examples that demonstrate each of these types of relationships: predator-prey, commensalism, mutualism, and parasitism. You may not use the same examples given in this lesson. 3. In your story, be sure to compare and contrast the relationships that you observe. Each time you present a new example compare it to a previous example. You may want to use the chart in the lesson for guidance.

Hello friends ,Answer as soon as possible. ...
____________

which type of bacteria cause stomach infection?

Answers

H. pylori.
 
Helicobacter pylori is a bacteria that commonly causes stomach infection.

Hope it helped!

How is carbon dioxide used in plants To prevent photosynthesis
To make food
To break down starch
To fix nitrogen

Answers

The answer is:

TO MAKE FOOD
I hope im right
To make food. Plants need photosynthesis for food.

Directions: Select each correct answer. More than one answer may be correct. It has been theorized that all of the modern continents on Earth were once part of a single continent. What scientific evidence is used to support this theory? A. Fossils of similar lifeforms have been found on different continents.
B. The coastlines of some modern continents appear to have once fit together. C. Some of the continents that exist today have similar types of rocks.

Answers

The correct answers are option A, B and C

The scientific evidences that show that the modern continent now was once a part of the single continent.

The fossils of similar life forms have been found on the different continents because they were once joined and when they separated fossils of those animals were found on the different places.

The coastline of some continents shows that they once excited together.

Some of the continents  that exist separately today have similar types of rocks .

the answer to this question is all of these (a,b,c)

Which of these describes a population? A.
all the organisms that interact in a lake

B.
all the gray squirrels that live in a forest

C.
an area characterized by a group of plants and animals

D.
a nonliving factor in an organism’s environment

Answers

B, it's dealing with organisms of the same species

Answer:

B.all the gray squirrels that live in a forest

Explanation:

took the test

How do the final images of transmission and scanning electron microscopy differ

Answers

The results of transmission and scanning electron microscopy differ in a number of ways: Resolution, contrast, depth of field, image appearance.

Resolution: resolution of transmission electron microscopy (TEM) is greater than that of scanning electron microscopy (SEM). As a result, TEM can produce more detailed images of the sample.

Contrast: The way electrons interact with the sample creates contrast in TEM images. The contrast in SEM images is caused by the way electrons are scattered by the sample.

Depth of field: In TEM images, the depth of field is very shallow. This means that at any given time, only a small section of the sample is in focus. SEM photos have a significantly higher depth of field.

Image appearance: TEM images are often displayed as two-dimensional projections of the sample. SEM pictures are typically three-dimensional representations of the material.

Learn more about microscopy, here:

brainly.com/question/30371453

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The most important differences between a transmission electron microscope and a scanning electron microscope are: Rather than the broad static beam used in TEM, the SEM beam is focused to a fine point and scans line by line over the sample surface in a rectangular raster pattern

question answered by

(jacemorris04)

The transition of a bilateral echinoderm larva into a radially symmetrical adult is an example of:a.
Modeling
c.
Development
b.
Transformation
d.
Transfiguration

Answers

I’m pretty sure it is C.
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