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Why is it advantageous for organisms NOT to be consciously aware of all the activity in their nervous system? why is it advantageous for organisms NOT to be consciously aware of all the activity in their nervous system?

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How does the muscular system produce body heat?

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How many nerve cells in the brain?

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Which nervous system contains the brain? central nervous system peripheral nervous system somatic nervous system autonomic nervous system

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What part of the brain controls memory?

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What is responsible for identifying foreign invaders and remains in the system for a long period of time? antigens red blood cells lymph nodes axons

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Describe the path of an impulse associated with lifting your arm. What part of the brain starts this impulse? Also, this isn’t a completely accurate category, because this is neuroscience, but i picked the closest thing.

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Which of the following is the best example of a way human lifestyles affect environmental systems? Burning fossil fuels increases the amount of greenhouse gases in the atmosphere. Using radioactive materials causes ground pollution when chlorofluorocarbons (CFCs) seep into the ground. Deforestation causes water pollution by decreasing water vapor in nearby lakes and rivers. Using aerosol sprays increases the amount of ozone (O3) in the atmosphere.

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Which organism can process more complex information due to a central brain? anemone, jellyfish, fish or planarian?

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How does the immune system fight against pathogens?

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How does carbon cycle within the ecosystem

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Earth’s systems interact through…

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Objects in the solar system have similarities and differences. which of the following statements best describes how Jupiter and Earth compare. A Jupiter is many times larger than Earth B Jupiter’s period of revolution is shorter than Earth’s C Jupiter and Earth both have hot surface temperatures. D Jupiter and Earth are both composed of rock an iron.

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A food chain acts like any system; when one part changes, the rest of the system is effected. Which statement BEST describes a relationship between the organisms in this food chain? A) If the mouse population decreases, the hawk population will increase. B) If the mouse population increases, the seed population will increase. C) If the seed population decreases, the hawk population will remain the same. D) If the seed population increases, both the mouse and hawk population will increase.

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An ecosystem is self-sustaining as long as organ- isms have sufficient quantities of energy, oxygen, minerals, and water. when organisms die, some of these materials are recycled back to plants in the ecosystem primarily through the activity

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A tissue system is a group of organs that work together to perform body functions

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Which of the following statements is correct? The sun is at the center of the solar system and at the center of the universe. The sun is at the center of the solar system, but not the center of the universe. The sun is the center of the known universe. The sun is neither the center of the universe nor the center of the solar system.

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The geocentric model of the universe states that the sun is the center of the solar system the Earth is the center of the universe the moon is the center of the solar system the solar system has no center

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Identify one specific ecosystem that has shown a decrease in biodiversity and state one cause of the decrease in biodiversity in the ecosystem you identified.

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The cytoplasm in a single-celled organism and the circulatory system in a human both do what?

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What is the most likely effect on the energy pyramid if all producers are removed from the ecosystem??

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1. Evolution not only explains how organisms are different, but it also explains the similarities of all life forms on Earth. True False 2. What factors in an experiment are observed, measured, and recorded? dependent variables hypothesis constants independent variables 3. A researcher finds that blood alcohol levels cause progressive damage to the liver. All the mice in his study were fed the same amount and types of food. Different concentrations of alcohol were injected into each mouse. One group of mice does not receive any alcohol at all. The different concentration of alcohol injected into different mice represents the ______________________. dependent variable constant independent variable control 4. A group of related parts that work together to perform a specific function or form a whole is known as a __________________. homeostasis system stimulus species

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Is it ture that the five systems of bronfenbrenner’s ecological model operate independently of the child?

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Central nervous system depressants include: 1. sedatives 2. tranquilizers 3. antidepressants 4. both 1 and 2

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All of the members of a particular species that live in the same area are called a(an) a. biome. c. community. b. population. d. ecosystem.

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How do large, mature plant cells compensate for inefficient import and export associated with a lower surface area-to-volume ratio? a. Large plant cells have increased lysosomic activity to increase import and export of substances to and from the membrane. b. Large plant cells have a large water-filled vacuole in the center, decreasing the active cytoplasm volume. c. Large plant cells have adapted a more efficient metabolic system, whereby fewer nutrients are needed for the structures located at the center of the cytoplasm. d. Large plant cells maintain a large storage vacuole in the center that stores nutrients for use in the interior of the cytoplasm.

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What body system do the lungs convert carbon dioxide into oxygen?

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The ____________ systems are most responsible for providing cells with oxygen and removing the carbon dioxide. A) excretory and muscular B) digestive and excretory C) skeletal and respiratory Eliminate D) circulatory and respiratory

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The spinal cord is made up of A) the pons and the medulla. B) the brain and the brain stem. C) white and gray matter. D) gray matter only.

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When the comb jelly, mnemiopsis leidyi, was accidentally introduced into the black sea, what eventually happened to the black sea ecosystem?

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