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3 years ago

After completing 10 years of experimentation, a scientist reports a

Biology

1 answer:

Inga [223]3 years ago

3 0

Answer:

Theories develop through repeated experimentation.

Explanation:

The correct answer would be that theories develop through repeated experimentation.

A theory is internally consistent and is only arrived at after several independent experimentation based on the same phenomenon. That is, when a scientist reports a findings, the reports must have been widely tested by different researchers using the same experiment and arrive at similar findings before they can become a theory.

Hence, the information on the theory explaining the movement of sand beaches is valid because the experiment must have been repeated by several independent researchers and similar results must have been obtained before the theory is arrived at.

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Tube dwelling polychaetes look similar to some sea anemones, especially those that bury themselves in the mud. Both animals have

prohojiy [21]

Answer:

Sea anemones are marine predatory animals. They are like a terrestrial flowering plant due to their colorful appearance. They are coming under the phylum cnidaria.

Sea anemones are found in different forms called a polyp. It has a columnar trunk, on the top of the trunk an oral disc and centrally placed mouth. The mouth is surrounded by tentacles.

Sea anemones have a gastrovascular cavity that serves as stomach. This cavity has one opening both meant for mouth and anus.

Sea anemones are capable of changing their shape and lives on the mud, holding it by pedal disc.

Polychaetes are segmented worms. Each segment of the body bears parapodia. It helps them in locomotion. There are different types of polychaetes, tube-dwelling polychaetes are one of them.

Tube - dwelling polychaetes make tubes to protect their soft bodies.

They don't have parapodia but some special anterior structures for feeding. The tubes are made from calcareous materials.

3 0

3 years ago

Loss of muscle coordination results from the damage to what?

kompoz [17]

This is ataxia caused by a dysfunction of the cerebellum - a region of the brain involved in the assimilation of sensory perception, coordination, and motor control. Cerebellar ataxia can cause neurological problems such as: ... lack of coordination between organs, muscles, limbs, or joints.

6 0

2 years ago

Check out the map showing tornado alley in the U.S. Although tornadoes can occur anywhere, they are most likely to occur when wh

Yanka [14]

Answer: B

Explanation:

8 0

3 years ago

The leaves of most angiosperms are flat and have a large surface. This enables the plant to:

nignag [31]

The answer should be A

4 0

3 years ago

Read 2 more answers

Cell Division Homework #1 Introduction to Cell Division Directions: Compare and contrast the following pairs of terms:

wel

Answer:

Sister chromatids / centromeres: When a single chromosome has been replicated in copies, each copy is called a sister chromatids.

A special part of the chromosome called the centromere holds the two sister chromatids together. A centromere is like a built-in rubber band for two sister chromosomes.

Mother cell / daughter cell: identical.

Daughter cells are genetically identical to the mother cell at the stage of production through mitosis.

On the other hand, at the stage of production through meiosis, the daughter cells are genetically different and contain only half of the genetic material of the mother cell.

Interphase / cell division: A cell spends most of its time in what is called interphase, and during this time it grows,

replicates its chromosomes, and prepare for cell division.

The cell then leaves Interphase, undergoes mitosis, and completes its division.

DNA / chromosome: Genes are segments of deoxyirbonucleic acid (DNA) that contain the code for specific protein that functions in one or more types of cell in the body

Chromosomes are structures within cells that contains a person's genes. Genes are contained in chromosomes, which are in the cell nucleus.

Mitosis / cytokinesis: Basically, mitosis is a process by which the duplicated genome in a cell is separated into halves that are identical in nature.

Cytokinesis is the process where the cytoplasm of the cell divides to form two 'daughter' cells. The result is the formation of two 'daughter cells', each having a nucleus.

8 0

2 years ago