Help me on number 20 and I will think u

Biology

1 answer:

Zepler [3.9K]3 years ago

5 0

The pyramid is not shaped like a typical pyramid, because the bottom should be bigger and getting smaller on top.

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Arthropods like mites and ticks can transmit rickettsial diseases True or False?

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True
Rickettsia species are carried as parasites by many ticks, fleas, and lice, and cause diseases such as typhus, rickettsialpox, Boutonneuse fever, African Tick Bite Fever, Rocky Mountain spotted fever, Australian Tick Typhus, Flinders Island Spotted Fever and Queensland Tick Typhus in human beings.

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Teresa was told by her doctor that her unborn baby has XY chromosomes. What does this

xz_007 [3.2K]

Answer:

The baby is a male. XY = male, XX = female.

Explanation:

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3 years ago

What are the subatomic parts of the atom and what is their charge ?

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The subatomic parts of an atom are the protons, neutrons, and electrons. Protons have a positive charge, neutrons have a neutral(no) charge, and electrons have a negative charge.

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Fossils of Thrinaxodon, a species that lived during the Triassic period, have been found in both South Africa and Antarctica. Th

tekilochka [14]

Answer:

Option-

As many believe after doing an extensive form of research work of years that reptiles are the ancestors of the mammals that we see now. Which means that we mammals evolved from the pre-historic form of reptiles.

Explanation:

Fossils of Thrinaxodon, a species that lived during the Triassic period, have been found in both South Africa and Antarctica. Thrinaxodon had a reptile-like skeleton and laid eggs, but small depressions on the front of its skull suggest it had whiskers and, therefore, fur. Thrinaxodon may have been warm-blooded. The fossils of Thrinaxodon are consistent with the hypothesis that mammals evolved from the pre-historic reptiles.

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10 POINTS !!!!!!!!!!!!!!!!!

Ann [662]

Answer:

Two environmental factors that influence the shape of proteins are pH and temperature.
The term for when the shape of a protein is altered, is denaturation. The impact is has on the proteins ability to function, is that is changes and loses their function.

I hope this helps!

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