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2 years ago

Explain what is meant by the statement, "Cells are very different, yet very similar."

1 answer:

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A cell is the smallest unit in a living organism that is capable of carrying out all of the activities of life. It would stand to reason, then, that a cell could survive by itself. Indeed, there are many single-celled organisms that can be found all around us, such as an amoeba (a single-celled organism found in water); however, most of the living things we see are made of billions of cells that all work together. In the 17th century, after the invention of the microscope, Robert Hooke was able to see cells for the first time. Since then scientists have learned much about cells and have developed the Cell Theory, which says

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an igneous rock forms quickly. which characteristics could the rock have? small sand grains. Large mineral crystals. smooth, sha

Shalnov [3]

Igneous rocks are formed by hot melted magma coming from the Earth's core that crystalizes when gets in contact with air. They can be either intrusive or extrusive. B) <em>Large mineral crystals.</em>

<h3>What is the igneous rock?</h3>

These rocks come straight from the interior of the Earth.

A liquid mass of silicate composition comes from the Earth's core. This melted mass comes at an extremely high temperature.

Magma begins to cool and solidify during its ascent to the Earth's surface. It solidifies and crystallizes into igneous rock following the magnetic field orientation.

Thre are two types of igneous rocks

• plutonic rocks ⇒ in areas close to the terrestrial crust ⇒ intrusive

• volcanic rocks ⇒ on the surface ⇒ extrusive

According to this description, the correct option is B. <em>Large mineral </em><em>crystals</em><em>.</em>

You can learn more about Igneous rocks at

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2 years ago

Choose 5 different organisms. At least one of your organisms needs to be a plant. List an adaptation and describe how the adapta

const2013 [10]

Explanation:

1). Bats have echo location to sense prey to catch

2.)bearded dragon has a frill to expand. this is used to scare or warn predators

3.) cacti have thick skin to store water for long periods of time

4.)squids have inc sacks to spray predators to give a chance to flee

5). many amphibians have webbed feet to travel better in water

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3 years ago

3. What sedimentary rock is made up of pieces

Alexxx [7]

Answer:

6. Because of how old the rocks are

Explanation:

6. Sedimentary rock forms in layers because of the order they were formed. The older rocks will form first and as time goes on, rock forms above it to create a new layer, and so on.

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3 years ago

BIOLOGY GENETICS HELP

Elena-2011 [213]

Answer:

Incomplete dominance can be described as a phenomenon in which the dominant trait is not completely dominant over the recessive trait. Incomplete dominance can be determined when the dominant and the recessive trait merge to form a third type of trait. A new phenotype arises due to such a cross.

For example, when a black-feathered chicken is crossed with a white chicken and their alleles shown incomplete dominance, then offsprings having blue feathers can be seen.

7 0

2 years ago

In the morning, Rafael notices that the Sun appears on one side of the sky. In the evening, he notices that the Sun appears to b

adell [148]

A) The earth spins

The Earth is constantly spinning, or "rotating", which causes day and night

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3 years ago