Biology Middle School

Read the following statement: "It is thought that the dinosaurs were killed
off by a meteor strike." Since this statement explains how & why dinosaurs became extinct, it is considered a scientific _____.
A,observation
B. fact
C.theory
D.law

Answers

Answer 1

Answer:

A

Explanation:

Answer 2
I think it should be C because the meteor strike is one of the theories on how dinosaurs went extinct. I also feel it’s B but i’m strong for C.

Related Questions

What happens to the brain after it is attacked with prions from a mad cow?
a.) swollen
b.) holey
c.) it shrinks
d.) it contains extra grey matte

Answers

Answer:

im not entirely sure, but I think it's b.

Explanation:

The human brain will get hokey due to the prions from the mad cow

20 POINTS

Writing Prompt (you will also see this within the assignment):


There are three challenges of life that all living things must overcome in order to survive.

Obtain energy.
Reproduce offspring.
Maintain homeostasis.

Choose two DIFFERENT organisms and describe how they EACH meet these challenges to survive. You can choose any organism: plant, mammal, reptile, insect, human, etc.

WARNING- NO PLAGARISM WRITE THIS IN UR OWN WORDS 20 POINTS WHEN U ANSWER IF IT GETS BE A B + OR ABOVE ILL GIVE U BRAINLIEST BTW MAKE SURE IT'S ATLEAST 1 PARAGRAPH

Answers

A human will obtain energy throughout there life time by consuming food. Food is what brings them energy and energy helps with function. Food is available in easily locations for some humans, so it is not difficult challenge. In order to reproduce an offspring, a male and a female human would have to have intercourse. In order for a human to maintain homeostasis, the body itself will sweat when the body temperature is high to help cool down the temperature, and an individual will shiver when cold to help bring up the body temperature. Now, a roach for example gets there energy from consuming other bugs or plants for energy. Food sources might be hard if there are not in a vital habitat. In order to produce an offspring, a male and female roach would have to have intercourse. To maintain homeostasis, roaches use there wings to protect themselves from the sun or to absorb sunlight.


Hope this is a paragraph and I hope this helps!!

Plant and animal cells are surrounded by a cell membrane, but only plant cells have a rigid ______.

Answers

Cell wall (made of cellulose)

Answer:

have a rigid Cell wall

The work of good science involves __________.
A.
glorifying God
C.
neither A nor B
B.
showing love to your neighbor
D.
both A and B

Answers

C hopefully this helps
C is the correct answer :)

A swim team thinks that the swimsuits and swim caps they use may affect the team's performance. The swim team decides to test if the swimsuits make a difference on how fast they can swim. They split the team in two groups. The two groups wear different kinds of swimsuits and different kinds of swim caps.

Why is their test invalid?


A.The swim team didn't have enough members.
B.They should have changed one variable, keeping the other the same.
C.They all swam different speeds on purpose.
D.Actually, the test is valid.

Answers

Answer:

A

Explanation:

They need a control group

The answer is A ……………

which reproduces slowest: bacteria, viruses, fungi, or protists? and why?

Answers

Answer: Bacteria

Explanation: Bacteria- mostly is a free-living organisms and viruses can never reproduce on its own, but a bacterial cell can

Bacteria, Viruses are even smaller than bacteria. They aren't even a full cell. They are simply genetic material (DNA or RNA) packaged inside of a protein coating.

A student wants to find out if the amount of bleach has an effect on stain removal.

He plans to use two white shirts, stain each of them with mustard, and then wash each of them using bleach. He can change the size of the stain on the shirt and the amount of bleach he adds to the water.

Which test should the student set up?

Answers

Answer:

The second option.

Explanation:

We're trying to test the amount of bleach that has an effect on the stain so that is the altered variable.

The 2nd option uses different amounts of bleach to clean the same amount of stain.

If you choose the other options, people can argue that the bigger stain would be harder to clean with one cup of bleach, whereas the small stain gets two cups or the other way around.

It's not an effective way to see if the amount of bleach has an effect on stain removal.

Bleach is a Base, it’s a natural indicator which tells us whether the substance is a acid or a base.

any help would be very much appreciated!

Answers

TRY AND SEARCH IT UP ON GOODLE BC THEY HAVE ALOT OF ANSWERS
The 1st is virus
2nd is fungi
3rd is prozota
4th is bacteria

A student is interested in the behavior of fish. He has 4 fish bowls and 20 goldfish. He puts the same number of fish in every bowl and puts them under light. He changes the temperature of each fish bowl, and he observes the behavior of the fish. What can the student find out from doing just this experiment?
A.If the temperature of the fish bowl and the amount of light affect the behavior of the fish.
B.If the temperature of the fish bowl affects the behavior of the fish.
C.If the number of fish, the temperature, and the amount of light affect the behavior of
D.If the number of fish in the fish bowl affects the behavior of the fish.

Answers

Answer:

B

Explanation:

The student is changing the temperature of each bowl. He has the same number of fish in each bowl so he will not be able to see if the number of fish in each bowl affects their behaviour. The light is above every bowl so he will not be able to assess if that changes their behaviour either

B . If the temperature of the fish bowl affects the behavior of the fish.

Joey looked at this picture and said "It must be raining outside." His statement is a(n)
A.inference.
B.quantitative observation.
C.prediction.
D.qualitative observation.

Answers

I think it’s D because it’s an observation and not quantitative because there’s no number
It might be D because of an observation

how does the organization of the organism work together to function properly

Answers

Answer:

Like cells and tissues, organs seldom work alone. They "cooperate" with one another and form specific organ systems. Organ systems are the fourth level of organization in living things. An organ system is a group of organs working together to perform a specific function for the organism.

Humans—and other complex multicellular organisms—have systems of organs that work together, carrying out processes that keep us alive.
The body has levels of organization that build on each other. Cells make up tissues, tissues make up organs, and organs make up organ systems.
The function of an organ system depends on the integrated activity of its organs. For instance, digestive system organs cooperate to process food.

1. Bacteria can reproduce in as little as 20 minutes. Protists and fungi take hours or days to double in number or size. Why can bacteria reproduce at a much faster rate?
2. It takes 1-2 days from the time you catch a virus until you feel any symptoms. What is happening during that time?
3. How can asking a patient when his or her symptoms started help the doctor diagnose that person with a particular pathogen?
4. What challenges do you think doctors encounter when they try to diagnose patients with symptoms that are common to different pathogens?
5. Which pathogen do you think responds faster to treatments provided by doctors? Explain your reasoning.

Answers

Answer:

The 4th one is the correct answer

Explanation:

Answer: Down

Explanation:

Bacteria are prokaryotes while protists and fungi are eukaryotes.

Cells are largely classified into two; prokaryotic cells and eukaryotic cells.

Prokaryotic cells do not have a nucleus or organelles while a eukaryotic cell has a nucleus and organelles.

Because bacteria are prokaryotic cells, bacteria reproduces via a process called binary fission which occurs very rapidly.

Protists and fungi are eukaryotic cells and undergo a more complicated process of reproduction.

As a result of this, bacteria can reproduce in as little as 20 minutes while  protists and fungi take hours or days to double in number or size.

Learn more: brainly.com/question/7153285

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