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Answer:

The settling of a pioneer community marks the start of the colonizing phase of primary succession. Examples of pioneer species are lichens, algae, and fungi. These species are more tolerant and eventually contribute to the formation of the soil by breaking down rocks into smaller particles.

Explanation:

Answer:

They are modified by soil composition changes

Explanation:

Answer:

I think it is C i am taking the test right now and that is what i am putting

Explanation:

Answer:

C. Mitosis, Gene expression, differentiation

Explanation:

Stem cells are referred to as undifferentiated cells which has the ability to develop into new specialized cells via cellular differentiation. The stem cell initially undergoes MITOTIC division to form new stem cells.

This stem cells then undergo GENE EXPRESSION by turning off some genes and turning on some in order to specialize the cell type. After this, the cell becomes DIFFERENTIATED i.e becomes another type of cell

Place the phases of a stem cell into the correct order.

The correct order would be mitosis, gene expression and then differentiation.

Stem cells can be defined as undifferentiated cells that possesses the ability to develop into many other different cells of the body. Before a stem cell becomes differentiated, the stem cell undergoes growth, mitosis and then information from the gene (DNA) in the cell will be needed to determine the type of cell it will become and be expressed before differentiating and becoming specialized to give rise to a particular type of cell.

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Answer:

the volume 62801.5 cm

Explanation:

dont forget the formula for volume of a rectangular prism is v = LWH

Answer: When temperatures rise, Plants grow taller to cool themselves off.

Explanation:

Their stems grow taller and their leaves become narrower and grow farther apart.

Answer:

C

Explanation:

The one that always contain DNA as the main genetic material is cell nucleus. The correct option is C.

The genetic material is the molecule that contains genes and is passed down from parents to children. It contains instructions for the growth and function of living organisms.

DNA and RNA are the two main types of genetic material. DNA is stored in the nucleus of eukaryotic cells, which have a nucleus and membrane-bound organelles, and is wrapped around round proteins called histones. DNA is ended up finding in the cytoplasm of prokaryotic cells.

A virus is composed of a core of genetic material surrounded by a protein-based protective coat called a capsid.

Viruses have either RNA or DNA as their genetic material, but neither. Single-stranded or double-stranded nucleic acid

Thus, the correct option is C.

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Answer:

Any thing that decreases the stream's velocity such as a bend in the river, a change in gradient or something blocking its path.

Explanation:

Any thing that reduce the stream's speed such as a turn in the river, a change in angle or something prevent its path.

Soil is the thin layer of material covering the earth's surface and is formed from the weathering of rocks. It is made up mainly of mineral particles, organic materials, air, water and living organisms all of which interact slowly yet constantly.

Thus, reduce the stream's speed such as a bend in the river, a change in angle or something prevent its path.

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Answer:

An ionic bond is one formed between two ions with opposing charges. In covalent bonding, molecules are formed by the constituent atoms sharing electrons so they both have full valence (outer) shells, but some electrons occupy the outer shells of both elements at the same time.

Answer:

ionic bond / electrovalent bond.

electrostatic attractions between oppositely charged ions .

eg: NaCl.

Na - 2, 8 ,1 Na^+ 2, 8

Cl - 2, 8 ,7 Cl^- 2 , 8, 8

Na^+ + Cl^- gives Na^+Cl^-

sodium loses one electron to attain nearest noble gas configuration.

Chlorine gain one electron from sodium to attain nearest noble gas configuration .

Answer:

The tilt of the Earth's axis

Answer:

thanklkkks for the facts

Answer:

the answer is c

Explanation:

it is diverge

Answer:

D. food we eat / new cells and energy.

Answer:

b

Explanation:

googled it ;)

Answer:

You won't get to smell so your brain won't know the difference is my guess

Answer:

Apples, potatoes and onions will all taste the same if somehow you were to block your sense of smell (plug your nose).

Explanation:

Answer:

wisdom teeth, and inside corner of the eye

Explanation:

Answer:

A Golgi body

B vacuole

C mitochondrion

D nucleus

E cell membrane

Explanation:

Answer:

A: Golgi body

B: Vacuole

C: Mitochondrion

D: Nucleus

E: Cell membrane

Explanation:

I did the assignment on Edg2021

The similarities between facilitated diffusion and active transport by a protein pump are firstly facilitated diffusion and active transport are two membrane transport mechanisms, which transport molecules across the plasma membrane, secondly transmembrane proteins are involved in both facilitated diffusion and active transport.

The differences between them are facilitated diffusion takes place down the gradient of concentration. active transport takes place toward the gradient of concentration. Facilitated diffusion is a passive method and needs no energy. An active method is an active transport.

What do you understand by facilitated diffusion?

"Facilitated diffusion is the passive movement of molecules along the concentration gradient. It is a selective process."

What do you understand by active transport?

"Active Transport is defined as a process that involves the movement of molecules from a region of lower concentration to a region of higher concentration against a gradient or an obstacle with the use of external energy."

What is a protein pump?

"Protein pump– a kind of protein that is capable of pumping out compounds that could pose a threat to the cell."

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The phalanges /fəˈlændʒiːz/ (singular: phalanx /ˈfælæŋks/) are digital bones in the hands and feet of most vertebrates. In primates, the thumbs and big toes have two phalanges while the other digits have three phalanges. The phalanges are classed as long bones.

Answer: It describes water molecules moving across a membrane, which allows the water molecules to pass in and out freely, but forbids the motion of other molecules.

Explanation:

A in Biology class last year.

Osmosis is really just a special case of facilitated diffusion because it

doesn't permit the movement of some molecules.

Osmosis can be defined as the movement of solvent molecules such as

water from a region of higher concentration to a region of lower

concentration through a semi-permeable membrane.

Osmosis is however a special case of facilitated diffusion because it permits

the movement of water molecules and inhibits the movement of other

molecules such as sugar etc.

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Answer:

wait what's the question ❓

Answer:it’s 5 and 3

Explanation:because I think

Answer:

Null set

Explanation:

I just took the quiz lol

Answer:

YOU CAN DO IT I BELIEVE IN YOU I am miss MOTIVATOR

Answer:

Answer is Mud,

b) periodic table of elemnts

Answer:

d the periodic table

Explanation:

it is split in to two sides  metals and non metals and the chemical elemnts are on the non metal side

Answer:

Receptors and enzymes are both located in the cell membrane. Receptors and enzymes are both proteins that can cause a reaction or response. Receptors and enzymes both speed up chemical reactions. Receptors and enzymes do not have any similarities.

Explanation:

Enzymes are known as biological catalysts. They speed up a chemical reaction taking place inside the body. Receptors can be defined as the chemical structures that transduce and receive signals.

The similarities between enzymes and receptors are as follows:

Both are proteins and both are crucial for the completion of different functions in the body.

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Answer:

C) Pot A received more sunlight than pot B.

Explanation:

Seeds or plants require some very important factor to grow that include carbon-dioxide, water and sunlight to undergo the process of photosynthesis.

Photosynthesis is the process by which plants make their own food by utilizing carbon-dioxide and water in the presence of sunlight and releases oxygen and energy.

In the given example, both the plants received equal amount of water and soil but the difference is in the position of the plant, in which plant A was placed by a sunny window from where plant have undergoes the photosynthesis process and grew with green with thick stems. while plant B was placed in a closet where no sunlight was present and the plant grew with yellow with thin stems.

Hence, the correct answer is "C) Pot A received more sunlight than pot B. "

Answer:

Answer: C) Pot A received more sunlight than pot B

Explanation:

Here's why: Pot A received more sunlight than pot B is correct. Plants need sunlight in order to make chlorophyll. Chlorophyll is the chemical that makes plants green.

Answer:

it is important because they have the greatest role in tackling environment