SOMEONE PLZ HELP ME!!!!!!!!!!!!!!!!!!!!!!

Answer:

natural selection

Explanation:

Answer:

Oxygen, air, oxygen from the air, oxygen from air and the second part is synthesis

Explanation:

Got it on edge

Answer:

Oxygen, air, oxygen from the air, oxygen from air and the second part is synthesis

Explanation:

dude above jus said it

Answer:

they are invasive species

Explanation:

Invasive species can be defined as a category of non-indigenous species that may cause environmental harm. Invasive species have a high fecundity rate, an important dispersal capacity, highly plastic phenotypes, general habitat preferences, ability to circumvent biological controls (i.e., competitors, predators, diseases), etc. In consequence, these features become invasive species practically impossible to eliminate after introduction into a certain area and highly adaptable to new environmental conditions.

The category of species that describes how most species of deer can adapt to new environments is: invasive species.

Note the following about Invasive species:

Most species of deer is are typical examples of invasive species.

Therefore, the category of species that describes how most species of deer can adapt to new environments is: invasive species.

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Answer:

The respiratory system interacts with the circulatory system by replenishing the blood flow from the heart with fresh oxygen, and taking out waste gases like CO2 from the blood.

Explanation:

Any interaction of the respiratory system with another system would be any function where both systems are involved. Hope this helps!

Answer:

C

Explanation:

The process by which a modified stem or root of a parent plant grows offspring that remain attached is called vegetative reproduction.

Answer:

Explanation:

the contamination of the physical and biological components of the earth/atmosphere system to such an extent that normal environmental processes are adversely affected. is called environmental pollution.

biodegradable substance are those which decompose naturally left beneficial

to the environment and are used by

but non biodegradable resources are the waste which do not decompose naturally. these waste cause pollution to the environment resulting harmful effect on living beings.

Sewage and agricultural waste are biodegradable waste.

Answer:

Viruses are tinier than bacteria. In fact, the largest virus is smaller than the smallest bacterium. All viruses have is a protein coat and a core of genetic material, either RNA or DNA. Unlike bacteria, viruses can't survive without a host.

Explanation:

Answer:

Viruses are tinier than bacteria. In fact, the largest virus is smaller than the smallest bacterium. All viruses have is a protein coat and a core of genetic material, either RNA or DNA. Unlike bacteria, viruses can't survive without a host.

Explanation:

Answer:

i believe mitochondria

Explanation:

I can't see it very well because it's blurry but if it has back and forth squiggles in the middle then it is the mitochondria plus the others are labeled with other stuff

it's D but I might be wrong

Answer:

C

Explanation:

In science, a hypothesis is an idea or explanation that you then test through study and experimentation. Outside science, a theory or guess can also be called a hypothesis.

Many scientists start with this as a need you make a prediction and base it around your experiment to prove your correct.

Hope this helped

(It could also be D but I'm more positive on C)

Answer:

hope it helps...

Explanation:

The principal components of the plasma membrane are lipids (phospholipids and cholesterol), proteins, and carbohydrate groups that are attached to some of the lipids and proteins. A phospholipid is a lipid made of glycerol, two fatty acid tails, and a phosphate-linked head group.

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Answer:

50

Explanation:        :)

Answer:

The amount of bacteria that are there at the end of 55 hours is 2310231000

Explanation:

From the description in the question, the bacteria's population size doubles per hour;

Within 1 hour = 21002100 × 2 = 42004200

Thus

After 1 hr ⇒ 42004200

55 hrs ⇒ ?

? = 55 × 42004200 = 2310231000

The amount of bacteria that are there at the end of 55 hours is 2310231000

Answer:

it is a Eukaryotic cell (B)

Explanation:

by process of elimination we can limit it down to B and D, a prokaryotic cell would look nothing like this so therefore it is B

The cell shown in the figure is a model of an eukaryotic cell. An eukaryotic cell consists of all the cell organelles and a well-defined nucleus. Thus, the correct option is B.

An eukaryotic cell is also known as a true cell. These cells contain all the membranous cell organelles such as mitochondria, chloroplast, etc. and a true well-defined nucleus which are absent in the prokaryotic cell. An outer cell wall or cell membrane is present which encloses the protoplast (living matter) of the cell.

All the animals and plants are made up of eukaryotic cells. These cells contain all the organelles and hence are capable of independent existence. The genetic material is present in the form of DNA (deoxyribonucleic acid) in the nucleus of cells.

Therefore, the correct option is B.

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Answer:

Since they are from different locations, unless we can radiometric Lee date them, we cannot distinguish anything between the two

Explanation:

It is not possible to determine information about the geological layers of different locations just by viewing the images, as the question above asks. This is because these two sites have different natural elements that acted on these layers and these fossils differently. In this case, making conclusions only with the visualization of the images, would not promote accurate and correct information. Ideally, a radiometric dating would be performed in both cases, so that accurate conclusions could be created.

Answer:

the overlapping decreases between the thin and thick filaments.

Explanation:

When w extend our hand or arm to the full and try to lift any heavy object, we are unable to lift the object inspite of applying all our force. We struggle hard to lift the object with our fully extended arm because when we extend our arm fully it decreases the overlapping of our thin and the thick filaments of our muscles which makes it difficult to lift. In other words, the resting length of our arm is the optimal length to generate force.

both species had growth in number within the same time period

Answer:

Asexual

Explanation:

I think Asexual reproduction is better because you only need one reproduction Creature. For example plants, they are asexual so they do not need to worry about mating. Instead they can just create more plants by doing nothing. This helps us because we get more plants in a shorter amount of time. another example of Asexual reproduction is cross-pollination which is also an amazing way of creating more plants in a shorter time.

Answer:

A this phenomenon is common in water

Answer:

B. organs is the right one

Explanation:

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Answer:

B. Organs

Explanation:

Cells make up tissues. Tissues make up organs. Organs then make up organ systems, which make up organisms. Hope this helps!

Answer:

The answer is D.

Explanation:

Just took the quiz and got it correct.

The correct statement is that the mineral on the left cool more slowly than the mineral on the right

The crystallization process is simply known as the way through which atoms are arranged to form a material with a crystal structure.

A ways minerals is formed is by:

The minerals that forms igneous rocks often solidify or freeze at different temperatures.

Magma are created underground, in the lower crust or upper mantle, due to the intense heat there.

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Answer:

Calcium is a group 2 element. It's Calcium :)

Answer:

hope it helps:)

Explanation:

Element:                                                                                                             Calcium is a group 2 element with two valence electrons

Answer: The answer is false

Explanation:

Answer:

chloroplast i think , i may b wrong

Answer:Water moving across the earth in streams and rivers pushes along soil and breaks down pieces of rock in a process called erosion. The moving water carries away rock and soil from some areas and deposits them in other areas, creating new landforms or changing the course of a stream or river

Explanation: my brain is bigger than jimmy neutron

Answer:

muscles carry lines, the texture is often different by that of tissue that is visible to the eye.

Explanation:

Answer:

b

Explanation:

Answer:

I think B

Explanation:

Hope this helps

Answer:

the answer is b.

Explanation:

prokaryotes don't have organelles, like eukaryotes do.

Answer D

Explanation: All the previews could cause it

Answer:

Once the myosin-binding sites are exposed, and if sufficient ATP is present, myosin binds to actin to begin cross-bridge cycling. Then the sarcomere shortens and the muscle contracts. In the absence of calcium, this binding does not occur, so the presence of free calcium is an important regulator of muscle contraction.