The part of the brain that distinguishes the human qualities that we have over animals is the frontal lobe. It is the part of the brain that controls important cognitive skills in humans, such as emotional expression, problem solving, memory, language, judgment, and sexual behavior. It is, in essence, the “control panel” of our personality and our ability to communicate.

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3 years ago

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Which two (2) statements are correct examples of the “structure determines function” relationship among specialized cells in an

Nady [450]

Answer:

A and E are the correct.

Explanation:

Examples of the structures that determine function:

a) Chloroplasts only found in plant cells. They work to fix the CO2 in the presence of light energy (sunlight) and convert the reactants into sugar molecules (carbohydrates) that can be used by cells for metabolic functioning.

e) Sperm is the male reproductive cell. Motile sperm cells have a tail-like structure that typically move via flagella and requires a water medium in order to swim toward the egg for fertilization.

Other options are not correct because they don't explain their function according to their structure.

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3 years ago

Question 2 The solid portion of Earth is made up of oxygen and this element is _____.

jarptica [38.1K]

Explanation:

Tarbuck, Earth's crust is made up of several elements: oxygen, 46.6 percent by weight; silicon, 27.7 percent; aluminum, 8.1 percent; iron, 5 percent; calcium, 3.6 percent; sodium, 2.8 percent, potassium, 2.6 percent, and magnesium, 2.1 percent

About 29% of Earth's surface is land consisting of continents and islands. The remaining 71% is covered with water, mostly by oceans but also lakes, rivers and other fresh water, which all together constitute the hydrosphere.

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Earth.

Almost 99% of the minerals making up the Earth's crust are made up of just eight elements. Most of these elements are found combined with other elements as compounds.

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3 years ago