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Scorpion4ik [409]
3 years ago
11

The diagram shows the fossils found in different layers of a rock.

Biology
2 answers:
tatiyna3 years ago
6 0

Answer: It’s A or B I think

Explanation:

Jobisdone [24]3 years ago
6 0

Answer:

layer d

Explanation:

got it right

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Fossils of Glossopteris, an extinct fern, were discovered on which continents to support the theory of continental drift? Check
Alenkasestr [34]

Accordin to Du Toit's list supporting the theory of continental drift, the correct options are A, C, ad D. <em>Fossils of </em><em>Glossopteris</em><em> were discovered on </em><u><em>Africa, Australia, and Antarctica</em></u><em>. </em>

--------------------------------

Before answering the question, let us first review some theoretical frameworks,

• The tectonic plates theory explains the movement of the different plates based on the crust movements.

• The continental drift theory explains how these movements have been taking place for millions of years.

Alfred Wegener was the first one to state the concept of continental drift.

He proposed that once all continents were together a single big continent named Pangea, and with time, they split and separated into many pieces.

The geologist Du Toit published in 1937 a list of 10 pieces of evidence that would support the theory of tectonic plates and continental drift.

Du Toit's list includes evidence of <em>Gondwana glaciation, lithological and structural evidence, plates fitting together, and paleontological evidence</em>.

Paleontological evidence

• Plant and animal fossils distribution suggests the existence of a big unique continent. When reconstructing the supercontinent, the areas where these fossils were found get together in the same supercontinental region.

• Glossopteris (fern) impressions are widely distributed in determined areas of Africa, South America, India, Australia and Antarctica.

• Terrestrial vertebrate fossils also support the theory. The presence of Triassic tetrapods in all continents suggests terrestrial corridors between landmasses.

Finding Glossopteris in Australia, India, South America, Antarctica and Africa suggests that continents were once together, and these species used to live in the same region.

With time, these continents diverged and got separated by the oceans. The region where Glossopteris used to live got divided.

<em>The correct options are A, C, and D. Africa, Australia, Antarctica.</em>

----------------------------------

You can learn more about Glossopteris at    

brainly.com/question/984155

7 0
2 years ago
If the offspring of a cross show a 9/16 to 3/16 to 3/16 to 1/16 ratio (9:3:3:1), the
Step2247 [10]

Answer:

it should be,

AaBb × AaBb

Explanation:

where,

RY(round, yellow) and ry( wrinkled,green) which gives RrYy( round, yellow)...which is also called 1st filial generation ( F1)...when Mendel self hybridised the F1 plants he differentiate the plant in 9: 3: 3: 1...which is F2 generation.

6 0
2 years ago
HELP ME PLEASE SOMEONE :(
Shalnov [3]

Answer:

Both have complicated muscular systems. Both have cells with specialized functions. Both have rigid walls that control entry into cells.

Explanation:

5 0
2 years ago
Read 2 more answers
What does a food web, food chain, and energy pyramid show about an ecosystem? Question 2 options: The flow of energy What organi
abruzzese [7]

Answer: 1.A food web is multiple food chains and an energy pyramid shows how energy moves through trophic levels.

Explanation:

5 0
2 years ago
You've discovered a new plant species in which
valina [46]

Answer:

All the crossing will be like this after realizing it:

Explanation:

Gl x Gl

GG, Gl, Gl, ll

gl x gl

gg, Lg, Lg, LL

On the first crossing we'll have 50% Gl and both other genotypes will be 25%

On the second crossing we'll have 50% Lg and both other genotypes will be 25%.

6 0
3 years ago
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