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3 years ago

Choose all the answers that apply. Which of the following are biotic factors in an ecosystem?

Biology

2 answers:

sp2606 [1]3 years ago

5 0

Answer:

bacteria, plants, and animals

Explanation:

laila [671]3 years ago

4 0

Bacteria, plants, and animals are biotic factors.

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________ thousands of tiny projections that add even more surface area to villi

victus00 [196]

Answer:

Each villus, in turn, has thousands of even smaller projections called microvilli (singular: microvillus).

Explanation:

The villi contain capillaries, which are tiny blood vessels. Nutrients are absorbed into these capillaries across the surfaces of the villi and microvilli. Because there are millions of these tiny projections, they greatly increase the surface area for absorption.

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3 years ago

Which term refers to the number of protons in an atom of an element?

posledela

The atomic number where as the atomic mass refers to the number of both neutrons and protons and the symbol refers to the element

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4 years ago

Read 2 more answers

Part a - identifying the processes of replication, gene expression, and recombination this activity requires that you correctly

Naddika [18.5K]

I found the exercise on the internet with the images and brief descriptions. Attached is an image of it.

To the DNA replication bin:
-Image of one cell dividing into two cells, and the mother cell has its DNA being unfolded and replicated.
-"DNA -> 2DNA (copying one DNA molecule to make two identical DNA molecules)"

To the gene expression bin:
-Image of only one cell with some arrows within it indicating the gene expression flow: DNA -> mRNA -> protein
-"DNA->mRNA->protein"
-"transcription"
-"translation"

To the recombination bin:
-Image with two cells being one the donor and the other one the recipient. The recipient has DNA with different colours pretending to represent that its DNA has different origins.
-"transformation"
-"conjugation"
-"transduction"

7 0

3 years ago

What structure does an amoeba ,a one-celled organism, use to movie ingest and transport materials within the cell , because it h

Vinvika [58]

Answer:

pseudopodia(false legs)

Explanation:

a protrusion formed by the amoeba towards its food to engulf it...you know it has no particular shape so it uses false legs

8 0

3 years ago

What do the following two equations represent? 5x +y = 3 . 10x + 2y = -6

cupoosta [38]

Answer:

Choose distinct parallel lines.

Explanation:

They represent two parallel lines. The slopes are going to be the same in each line . Put the x value on the opposite side of the equal sign.

y = - 5x + 3 The slope is - 5

10x + 2y = - 6 Subtract 10x from both sides

2y = - 10x - 6 Divide by 2

y = -10x/2 - 6/2

y =-5x - 3

That minus three is the problem. You have 2 different y intercepts. That means that you have 2 parallel lines.

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3 years ago