BIOLOGY HIGH SCHOOL

Which process drives Darwin’s theory of evolution?

Answers

Answer 1
Answer: The answer is natural selection.

In natural selection, genotype variations that will increase the chance of survival and reproduction of some organism are preserved and will be inherited. Darwin's theory suggested that there are variations among individuals in a population and that these variations will help individuals to survive.
Answer 2
Answer:

Natural selection is the primary process that drives Darwin's theory of evolution, the correct option is a.

Darwin's theory of evolution is primarily driven by the process of natural selection. Natural selection is the mechanism by which certain heritable traits become more or less common in a population over successive generations. It occurs due to the differential reproductive success of individuals with advantageous traits that are better suited to their environment. Individuals with beneficial traits are more likely to survive and reproduce, passing on their advantageous traits to their offspring.

Over time, this leads to the accumulation of favorable traits within a population, while less advantageous traits become less prevalent. Natural selection is driven by various factors, including environmental pressures, competition for resources, and adaptation to changing conditions. It is a key driving force behind the diversity and adaptation of species observed in the natural world, the correct option is a.

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The complete question is:

Which process drives Darwin’s theory of evolution?

a. Natural selection

b. Genetic drift

c. Lamarckism

d. Mutation

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What are the longest living animals?

These small motile gametes fertilize ovum

Answers

Gametes are the reproductive cells of an organisms. They are commonly called also as sex cells. The gametes that fertilize ovum are called sperm, which are the male gametes. Female gametes are known as ova or egg cells. The ova mature in female ovaries whereas the sperm develop in the male testes. 
The small motile gametes fertilize ovum is called sperm

What is the land like where Mesosaurus fossils are found?Word Bank
Apart
Continent
Earthquake
Fossil
Mesosaurus
Ocean
Outer Layer
Plate
Plate Boundary
Movement

Answers

The Mesosaurus fossils  mainly observed  in hard solid rock on two different plates of Earth’s surface such as the South American and African plates, where the outer covering is solid rock and divided into sections called plates. Word Bank are Mesosaurus fossils.

What is Mesosaurus fossil ?

The Mesosaurus fossils are the  extinct species of animal which include freshwater reptilian predator with similar characteristics to the modern-day crocodilians.

Thes fossils are the ancient animal among the first two  were used to support the theory of continental drift, the fossils of Mesosaurus are found in central, south of western, and southwestern South America regions on one side, and south of central, and western half of southern Africa.

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Answer:

Mesosaurus, (genus Mesosaurus), early aquatic relative of reptiles, found as fossils from the Early Permian Period (299 million to 271 million years ago) in South Africa and South America. Mesosaurus lived in freshwater lakes and ponds. Elongated and slim, it measured about 1 metre (3.3 feet) long.

Explanation:

Mesosaurus fossils are found today in rocks in southern Africa and eastern South America. Back in the Permian those two locations were jammed against each other as part of the southern half of Pangaea called Gondwana, so the living range of Mesosaurus did not span an entire ocean.

The model below shows the mRNA sequenceAUG GGG UUU ACA UAG
Use the genetic code table to predict what amino
acids will be in the protein when this mRNA is
translated.

Answers

Answer:

AUG is MET (starting point)

GGG is GLY

UUU is PHE

ACA is THR

and lastly

UAG is stop (there's no code for this one so you stop)

Explanation:

I hope this the right answers for you.

How many possible codons exist in the genetic code? a. 3 b. 20 c. 46 d. 64

Answers

The correct answer is:
d. 64

in the genetic code there could be 64 different codons (each consists of 3 nucleotides)

Greetings, 
n00nst00p :)

Answer:

there are 64 possible codons (4 × 4 × 4 = 64) in the genetic code

Explanation:

what have scientist learned about the classification of amphibians, birds, and reptiles by studying their evolutionary relationships?

Answers

Scientists learned many things in studying and defining organisms or animals into group. The study behind this is called Taxonomy. This study is responsible for the classification of amphibians, birds, and reptiles. The study learned about the evolutionary relationships between the living and extinct organisms.

Answer:

Reptiles are more closely related to birds than amphibians.  Reptiles and birds are so closely related that according to modern classification, they are part of the same group.

Explanation:

Which criteria are responsible for deciding whether a heterogeneous mixture is a colloid or a suspension?

Answers

The main difference between a colloid and a suspension mixture is the size of the solute particles. Colloids have solute particles that are around 10-1000 angstroms big. They are considered to be intermediate in size because they are bigger than solutes in homogeneous mixtures, but are smaller than suspension mixtures. Colloids tend to form cloudy, yet uniform solutions. The cloudiness of the mixture is caused by the solute particles suspended or floating in the solvent.

Suspension mixtures have solute particles that are greater than 10,000 angstroms. The particles are so big that they can no longer be evenly distributed, so they settle at the bottom of the solution. In suspension mixtures, there is a visible line between the different components of the mixture.
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