Biology questions need help…?

Question by Chupona’: Biology questions need help…?
Which of the following molecules led scientists to explore the role of RNA in the origin of life? (Im thinking it D)
-enzymes
-ribozymes
-proteins
-phospholipids

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Which of the following characteristics was used to reclassify sponges? (Im thinking its B)
-cell walls
-body type
-nutrition
-cell type

The energy that was needed for the chemical reactions that formed the earliest organic molecules is thought to have come from (D)
-Plantae.
-Animalia.
-Protista.
-Monera.

One difference between plants and animals is that plants are
-eukaryotic and animals are prokaryotic.
-prokaryotic and animals are eukaryotic.
-heterotrophs and animals are autotrophs.
-autotrophs and animals are heterotrophs.

Meteorites have provided evidence that supports the possibility that organic compounds
-consist of amino acids.(c)
-came to Earth from space.
-are the building blocks of life.
-could not have formed naturally on Earth.

Which two kingdoms contain both unicellular and multicellular organisms?(a)
-Archaea and Animalia
-Protists and Bacteria
-Protista and Fungi
-Animalia and Fungi

One kind of organic substance produced in the Miller-Urey experiments was
-oxygen gases.
-ultraviolet radiation.
-amino acids.
-carbon dioxide.

During Linnaeus’ time, scientists divided all living organisms into
-two kingdoms.
-four families.
-five phyla.
-three domains.

-Protista is an example of a
-kingdom.
-class.
-species.
-genus.

Best answer:

Answer by Zvezdogled
Which of the following molecules led scientists to explore the role of RNA in the origin of life?
–ribosomes (almost certainly)

Which of the following characteristics was used to reclassify sponges? (Im thinking its B)
– You’re correct.

The energy that was needed for the chemical reactions that formed the earliest organic molecules is thought to have come from (D)
– Monera, I think.

One difference between plants and animals is that plants are
–autotrophs and animals are heterotrophs.

Meteorites have provided evidence that supports the possibility that organic compounds
–came to Earth from space.

One kind of organic substance produced in the Miller-Urey experiments was
–amino acids.

During Linnaeus’ time, scientists divided all living organisms into
–two kingdoms.

-Protista is an example of a
–kingdom.

What do you think? Answer below!

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