The oldest fossil forms of life are most similar toa. animals
b. modern bacteria
c. archaebacteria
d. fungi

Answers

Answer 1

Answer:

Answer:

c. Archaebacteria are the oldest fossil forms

Explanation:

According to the Six Kingdom Classification of Living Organisms, Archaebacteria includes the earliest organisms to have appeared on the earth's surface living under harshest of conditions. These were unicellular organisms that used chemical energy to synthesize life sustaining molecules(chemoheterotrophs).

As the temperature, pressure and environment became more conducive to live slowly they evolved into modern bacteria, and subsequently higher-ordered multicellular organisms. Fungi, Plant and Animals later evolved as the organization became more and more complex.

Therefore in chronological order the oldest fossils are Archaebacteria>modern bacteria>fungi>animals

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Answer 2

Answer: The answer is C

Archaebacteria were the first forms of life because they can survive in very harsh conditions like extreme heat and cold

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Plz hurry i need the answerthx

Proteins are composed of chains of _____________ which are joined together with peptide bonds.A) fatty acids
Eliminate
B) amino acids
C) nucleic acids
D) monosaccharides
Biology

Answers

Answer:

B) Proteins are linear polymers formed by linking the α-

carboxyl group of one amino acid to the α-amino group

of another amino acid with a peptide bond (also called

an amide bond )

Final answer:

Proteins are composed of chains of B) amino acids which are joined together with peptide bonds.

Explanation:

Proteins, the workhorses of biology, consist of long chains of amino acids linked by peptide bonds. These complex molecules play vital roles in nearly all biological processes. Amino acids, the building blocks of proteins, feature a central carbon atom connected to an amino group, a carboxyl group, a hydrogen atom, and a distinct side chain.

During protein synthesis, amino acids are linked via peptide bonds, a covalent connection between the carboxyl group of one amino acid and the amino group of another. The specific sequence of amino acids in a protein, known as its primary structure, dictates its unique three-dimensional shape and, consequently, its function within living organisms.

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All eukaryotic cells contain small bodies called _________.

Answers

Heya

Here is your answer

________________

All Eukaryotic cells contain small bodies known as Centrioles

==================

Hope this helped !!

Happy to help :)

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A scientific ________ describes a basic principle of nature that always occurs under certain conditions.

Answers

Answer:

Law

Explanation:

A scientific law, is a statement that describes a principle of nature, they are also known as natural laws, and are generally always true.

Scientific laws are often mathematical formulas or expressions of natural events that occur, for example gravity.

Gravity is a natural event that occurs and it was put into a mathematical equation by Issac Newton

i believe it would be a scientific law

What is one way scientists get information about the evolutionary history of species?

Answers

by studying a particular species .

A population of lizards lives on Island A. On nearby Island B, another population of the same species is present. The lizards on Island A have evolved to have a large frill around their necks. The lizards on Island B, on the other hand, have evolved to have a much smaller neck frill.Both islands are colonized by humans and some of the lizards on Island A are transferred to Island B. The lizards from Island A interbreed with the lizards on Island B. The gene coding for the large neck frill is passed on to the offspring resulting from these breedings, introducing new genetic variation into the population.

The transfer of genetic information that occurs between the two lizard populations above is known as

Answers

Answer:

The transfer of genetic information that occurs between the two lizard populations is known as GENE FLOW.

Explanation:

The options attached to this question are given below:

A. Genetic recombination.

B. Gene flow.

C. Genetic drift.

D. Natural selection.

Gene flow refers to the transfer of genetic variations from one population to another of the same species. The rate of gene flow between two populations may be low or high. When the rate of gene flow is high the populations are considered to be a single population.

In the scenario given in this question, there is a flow of large neck frill genetic trait from the parent lizards in Island B to the offspring that result from sexual relationship between the lizards from both islands.

What does 5' & 3' mean in DNA

Answers

Hai :3

Great question. "5' & 3'" means five prime and three prime. Have you ever seen DNA's molecular structure? Well, these numbers indicate the carbon on the sugars that DNA has.

-The 5' bears a phosphate group ( $PO_(4) ^(-3)$ ), and the 3' bears a hydroxyl group ( $OH^(-)$ ).