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victus00 [196]
3 years ago
15

Why do scientists believe that the first organisms on Earth were extremophiles?

Biology
1 answer:
ololo11 [35]3 years ago
5 0

Answer:

Explanation:extremophiles are the organisms that are capable of growth and survival in extreme conditions, such as hot springs, depths of oceans, dry places, harsh chemical environments, and deep inside earth

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Cuál es el campo de estudio de ADN ​
poizon [28]

Answer:

genomics

Explanation:

it's is the study of genes and DNA ( deoxyribonucleic acid)

7 0
3 years ago
A eukaryotic chromosome consists of _____
sergey [27]

A eukaryotic chromosome consists of histones.

<h3>Properties of eukaryotic chromosome</h3>

Eukaryotes posses pairs of linear of chromosomes and they are all contained in the nucleus of the cell, possessing characteristic forms.

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Therefore, a eukaryotic chromosome consists of histones.

Learn more about eukaryotic chromsomes here:

brainly.com/question/19661895

#SPJ11

6 0
2 years ago
Which of the following statements is true about the arrangement of vascular bundles in monocots?
Alik [6]
The true statement about the arrangement of vascular bundles in monocot is:

B.) VASCULAR BUNDLES ARE SCATTERED IN THE GROUND TISSUE.

Characteristics of monocots are:
1) has one cotyledon
2) veins in leaves are usually parallel
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4) arrangement of primary vascular bundles in the stem is scattered. 

6 0
3 years ago
Read 2 more answers
True or false, most lakes grow larger over time due to erosion?
ipn [44]

Answer: False

A lake is a water body that is surrounded by land. The water in the lake comes from melting glaciers, rain, groundwater, rivers. Lake formation also occurs when a water body is restricted to it's natural flow. Erosion due to wind  and water will limit the life of lake. As, soil removed during landslides or mudslides from hills or mountains get settled as debris at the bottom of lake will cause water pollution. Also, soil coming from agricultural field through water will carry in it fertilizers ,which will promote excessive plant and algal growth in lakes therefore, oxygen content of lake water will decrease which lead to death of animals residing in lake hence, will ultimately lead to water pollution ,which will be responsible for limiting the life of lake.

4 0
3 years ago
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Which is an external environmental factor that affects heredity?
OverLord2011 [107]
Toxic Waste and Thermal radiation is a big one.
I'd say thermal radiation would be the ansewr. 
7 0
3 years ago
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