Animals without a backbone are classified as ________. crustaceans invertebrates arthropods worms

Answers

Answer 1

Answer: Invertebrates

in- = not
vertebra = spine

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Which of the following is not evidence supporting the tectonic plate theory?Coal has been found under Antarctica.

Some continental coastlines fit together like puzzle pieces.

Glacier evidence has been found in continents that used to be attached to Antarctica.

Fossils of sea creatures have been found on land thousands of miles from any ocean.

Answers

Coal has been found in Antarctica is the right answer since it is completely unrelated to plate tectonics.

How can you improve the validity of photosynthesis

Answers

Independent Variable: The light intensity (How close the light is)
Dependent Variable: The number of Oxygen bubbles given off (The rate of Photosynthesis)
Controlled Variables: The size of the Plant (Example: Pondweed. etc.), The volume of Water used and it's temperature.

What percentage of the energy needed to make aluminum cans from ore is needed to make recycled aluminum cans from used aluminum cans?

Answers

5% ,...................................

Nitrogen is cycled out of the atmosphere due toA. winds and currents.
B. bacteria and plants.
C. animals performing respiration.
D. plants performing photosynthesis.

Answers

The ans is B. bacteria and plants.

Answer:

B. Bacteria and Plants

Explanation:

Which one of the following statements holds true for the induced-fit model?

Answers

There are no true statements on that list.

How did Watson and cricks model of DNA incorporate the research of other scientists ?

Answers

They looked and saw Rosalind Franklin's X-ray crystallography which sparked them to think about the double-helix structure, and from there, they played around with cafeteria items (forks and spoons and whatnot) to create a model that finally worked.

Answer:

How did Watson and Crick describe the structure of DNA?

Watson and Crick showed that each strand of the DNA molecule was a template for the other. During cell division the two strands separate and on each strand a new "other half" is built, just like the one before. ... By 1962, when Watson, Crick, and Wilkins won the Nobel Prize for physiology/medicine, Franklin had died.

Explanation:

Other Questions

Why was parallax a problem in proving the heliocentric model of the solar system?

The reflex that causes an infant to close its fist when the palm is touched is called the _______ reflex.

Often, the second part of a scientific name is _________. a description of a trait or habitat the same as for other members of the same genus capitalized if it derives from a proper name different in different locations

What did Walter Fleming identify during cell division