Which group of organisms survived mass extinctions that marked the ends of both the Paleozoic era and Mesozoic era?

1 answer:

8 0

The group of organisms that survived mass extinctions that marked the ends of both the Paleozoic Era and the Mesozoic Era is the gastropods. Gastropods are one of the most diverse groups of animals, both in form, habitat, and habit. They are by far the largest group of molluscs, they include snails and slugs of all kinds and all sizes from microscopic to Achatina achatina.

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just olya [345]

Answer:

Most biomolecules are organic compounds, and just four elements—oxygen, carbon, hydrogen, and nitrogen—make up 96% of the human body's mass. But many other elements, such as the various biometals, are present in small amounts. Sometimes polymers are also known as macromolecules or large-sized molecules. Usually, polymers are organic (but not necessarily). A monomer is a molecule that is able to bond in long chains.

Explanation:

Understand?

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k0ka [10]

Answer:

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Explanation:

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2 years ago

A type of plant that produces red flowers is crossed with a plant that produces white flowers. The allelles for flower color exh

tatyana61 [14]

Incomplete dominance shows phenotypes of both dominat and reccessive trait !!

so supppose red is AA
the white is aa
and pink is Aa (heterozygous thus pink)

on crossing Aa to Aa (two pink)

we have ; AA , Aa, Aa, aa

thus 1 red, 2 pink, 1 white
Ratio - 1:2:1

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How does urbanization affect your life and the area in which you live

ASHA 777 [7]

Answer:

Population growth, lack of supplies

Explanation:

Urbanization can impact an area, especially population growth. People could be crowded, and that supplies could run out as it is an urbanized region.

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2 years ago

What positively charged particle is located at the center of the atom in the nucleus?

Gemiola [76]

The positively charged particle located at the center of an atom is the proton.

Think p in proton and positive. Neutrons are also located in the nucleus of an atom, but they have a neutral charge (neutron and neutral).

Hope this helps!!

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