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Alinara [238K]
2 years ago
8

If all species originated on the primitive Earth at the same

Biology
1 answer:
MakcuM [25]2 years ago
8 0

Answer:

If all species originated on the primitive Earth t the same time and did not change, which patterns would be expected in the geologic record? The upper rock strata would contain fossils of only more complex organisms.

Explanation:

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What forms between a positive and negative ion
xxTIMURxx [149]

Answer:

An ionic bond.

Explanation:

A strong electrostatic force of attraction will develop between the oppositely charged ions. For example, sodium chloride (salt) is essentially made of a positively charged sodium ion and a negatively charged chloride ion.

3 0
3 years ago
Sediments moving from an upper layer to the water layer in an ecocolumn can represent ______ ?
MAVERICK [17]

Answer:

Run off of animal/plant waste

Explanation:

The run off of animal/plant waste occurs in 3 layers:

upper layer: the terrestrial chamber, the decomposition chamber, and the aquatic chamber.

The terrestrial layer represents the land habitat including plants and insects whereby waste are moved into the  

The decomposition layer much like a compost pile where it decomposes and then move into

The aquatic layer much like a mini freshwater habitat for aquatic plants and even small fish, it serves as food sources for them

8 0
2 years ago
Read 2 more answers
All of these terms EXCEPT ___________ contribute to natural selection.
kotegsom [21]
A.Cladograms, because those are diagrams, all the rest contribute to natural selection.
4 0
2 years ago
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Reabsorption is the movement of substances from the ______ to the ______.
lbvjy [14]
Reabsorption occurs during the movement of substances from the proximal convoluted tubule to the distal convoluted tubule.....   in the kidney
6 0
3 years ago
Describe the relative locations of the following bacterial cell components:
Dovator [93]

Answer:

A. outside plasma membrane:

1. cell wall   6. flagella

B. outside of the cell

4. fimbriae   5. pilus

C. in cytoplasm

2. nucleoid   3. ribosome

Explanation:

Bacteria is one of the three domains of cellular organisms. Bacteria are prokaryotes, cells that lack a true nucleus and membrane-bound organelle.

The plasma membrane is the outer membrane that enclosed the cytoplasm and cytoplasmic substance. The cell wall is covering the present out of the cell membrane or plasma membrane. Flagella are attached to the plasma membrane but it is present outside of the plasma membrane.

Fimbriae and pilus are the structure present outside of the cell wall and help to attach it to other cells or any surface. Nucleoid and ribosomes are present in the cytoplasm of the bacterial cell.

8 0
3 years ago
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