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stiks02 [169]
3 years ago
6

Many scientist believe that dinosaurs became extinct due to

Biology
2 answers:
valina [46]3 years ago
8 0
Many scientists believe dinosaurs became extinct due to:


It’s widely acknowledged that the Earth was a cold, dark place after a giant meteor, measuring roughly six miles across, struck Mexico about 66 million years ago, which many believe triggered what is known as the end-Cretaceous mass extinction.
goldfiish [28.3K]3 years ago
7 0

Answer:

The correct answer would be mass extinction due to meteor collision.

Explanation:

There are many different theories about the extinction of the dinosaurs. But many suggest extinction occurs due to meteor or asteroid collision. They believe that 65 million years ago an asteroid or meteor collided with earth and a huge amount of dust and debris covered global climate and environment. Due to this sunlight was not able to come to earth that is important for all the cycles and also primary source of energy for any ecosystem which ultimately lead to famous mass extinction.

Thus, the correct answer would be mass extinction due to meteor collision.

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In corn, smooth kernels (K) are dominant to wrinkled kernels (k).
Roman55 [17]

Heterozygous means 2 different zygotes. Since Smooth kernels are dominant, Zygotes KK and Kk will be smooth and kk will be wrinkled.

If you were to set up a Punnett Square chart like:

           K     k

   K   (KK)    (Kk)

   k   (Kk)     (kk)

the ratio for smooth to winkle would be  3 : 1

Which Will be 75% Smooth  and 25% Wrinkle

5 0
3 years ago
the height of a type of plant is a normal distribution. Some plants are tall and some are short, but most are in between. What i
iragen [17]

Answer:

Many different genes control the height of the plants

hope this helps! <3

3 0
1 year ago
Which of the following INCORRECTLY describes a polymer? Which of the following INCORRECTLY describes a polymer?
Len [333]

Answer:

A. ATP is a polymer of phosphates.

Explanation:

ATP is not a polymer of phosphates. It is a rather a complex organic molecule that has its main function to provide energy.

Starch and glycogens are polysaccharides or polymers of glucose or simply put, they have glucose subunits.

Nucleotides are biological molecules consisting of 3 major sub units which are the nitrogenous base, the phosphate acid and the 5 carbon (ribose) sugar. They are the building blocks of DNA and RNA and hence monomers.

Amino acids are basically organic compounds that contain amine (-NH2) and carboxyl (-COOH) functional groups, along with a side chain (R group) specific to every amino acid molecule. They are bond together by a peptide bond between the -NH2 and -COOH group to furthet form polypetides. Proteins in the same vein are called polypeptides which is a chain of amino acids.

7 0
3 years ago
1
anzhelika [568]
Option 2. Because in the living things in an ecosystem it HAS to have consumers and decomposers. The other answer choices don’t have them so that’s the answer. Hope this helped and if it did then please give a thank you or even brainliest
3 0
3 years ago
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What is the name for the H* ion?
Lady bird [3.3K]

Answer:

Hydrogen ion  

Explanation:

The name of H⁺ is hydrogen ion.

The name of H₃O⁺ is hydronium ion.

8 0
3 years ago
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