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3 years ago

Oil is most likely to form becauseChoose one:

Biology

1 answer:

Luden [163]3 years ago

3 0

B. tiny algae and plankton decomposed under conditions of heat, pressure, and low oxygen.

Explanation:

Oil is most likely to form where tiny algae and plankton decomposed under conditions of heat, pressure and low oxygen.

Coal will form when plant materials like twigs, leaves and tree trunks decomposed under conditions of heat, pressure and low oxygen.

To form oil, algae and plankton will be gathered with sediments in a basin.
Rapid burial causes the algae and plankton to be cut off from aerobic environment that would lead to the decay of these organisms.
They are buried alive and as the basin subsides, temperature and pressure acts to produce kerogen.
Further cracking produces oil and gas.

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True or false viruses need host cells to replicate

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True bc they depend on the host cells that they infect to reproduce

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3 years ago

Protists are very diverse, and many different classification schemes have been used to define relationships between the protists

andrey2020 [161]

Answer:

D. heterotrophic by ingestion, pseudopods

Explanation:

Protists are generally classified as all eukaryotic organisms that are not plants, animals or fungi. Example is amoeba, paramecium etc.They may be unicellular or multi cellular in nature.Most exist in colonies.

Their mode of nutrition can be photosynthetic or hetrotrophic. Hetrotrophic protists can be divided into phagotrophs and osmotrops/saprotrophs. The phagotrophs makes use of the cell body to engulf the food materials as in amoeba ,carry out extracellular digestion before swallowing it.

Osmotrops absorbed dissolved food from surrounding liquid environments directly. (Some photosynthetic protists can also be heterotrophic.

Amoeboid movement is the mode of locomotion of protists and some other eukaryotes. It involved the protrusion of cytoplasm, which exert pressure on the cell membrane to form pseudopodia and the posterioly evolved Uropods. 

 

Sol-gel theory has been proposed to expalin this movements, The ectopalsm of amoeba is gelly-like , while the endiplams is less viscpus and said to be sol. The interchange of the cytoplasmic fluis between the endo-and ecto plasm gives the SOL-GEL propulsion of the protopalms for the amoebic moveemnts .

The false feet(psuedopodium) drags the amoeba along in the direction of the flow of the cytoplasm.

Therefore option D is the right option

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3 years ago

Use scientific language to describe two ways that fossils and embryos are alike.

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Answer:

Similarities in structure among distantly related species are analogous if they evolved independently in similar environments. They provide good evidence for natural selection. Examples of evidence from embryology which supports common ancestry include the tail and gill slits present in all early vertebrate embryos

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Which of the following statements best describes the major difference between anaphase of mitosis and anaphase I of meiosis?

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All that apply

Alexxandr [17]

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