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In human excess blood glucose is stored in the liver and in muscle tissues in form of glycogen.glycogen is a long chain of glucose molecules bonded together.because of this glycogen is called a

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Discuss how crossing-over leads to greater variability of phenotype’s. Give an example to help explain your answer.

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True or false particles such as sand move in flowing water by

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Which of the following statements about human impact on trees is true? a. Human activity always has a negative impact on trees. b. All human uses of trees require destruction of the trees. c. Human activity has had both a positive and negative impact on trees. d. Cutting down trees is the only activity that has a negative impact on trees.

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All the interconnected feeding relationships in an ecosystem make up a food

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When organisms ingest food, the food is converted into which substance? a. adenosine triphosphate (ATP) b. Carbon dioxide c. Oxygen d. deoxyribonucleic acid (DNA)

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Multicellular and unicellular organisms undergo similar metabolic processes to maintain homeostasis. True or false?

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1. The nutrient availability of aquatic ecosystems is the? amount of nitrogen, oxygen, and other elements dissolved in the water. number of other organisms present in the water. amount of rainfall the water receives. number of different animal species living in the water. 2. Freshwater ecosystems that often originate from underground sources in mountains or hills are? estuaries. rivers and streams. lakes and ponds. wetlands.

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Biogeochemical cycles _______. a. are not essential for life b. move through abiotic and biotic regions c. are the result of natural disasters d. provide the greatest amount of energy for the Earth

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Deconstructive forces such as erosion helps to build up the Earth’s surface. True or False

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TRUE OR FALSE: Every time energy is transferred between organisms in a food web, some of the energy is lost as heat.

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Monomers linked together to form a polymer could be described as beads in a multicolored necklace. Which one of the following statements about monomers is true with respect to the above analogy A. Monomers in a polymer could be linked in various ways. B .Monomers in a polymer are of different types. c.Monomers in a polymer look different but are structurally similar.

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Which of these has only prokaryotic cells? A) fungi B) plants C) animals D) bacteria

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1. Which of the following is not a characteristic that distinguishes one type of forest from another, such as Siberian vs. Tropical Rain Forest? Select one: a. Types of trees b. Age of trees c. Climate d. Precipitation 2. Why is a rain drop a particularly damaging element to soil? Select one: a. It dilutes minerals in the soil. b. It causes the soil to break apart and carries it away. c. It often contains contaminants that poison the soil. d. It prevents the aeration of the soil. 3. Clear cutting has a similar effect as controlled burning of a forest. Select one: True False 4. Unlike a mineral, a rock: Select one: a. is made up of exclusively carbon b. is made up of multiple substances c. is made up of inorganic compounds d. is a natural resource 5. Which of the following is not an advantage of conserving water? a. Ensuring that we have enough clean water in the future b. Keeping the costs of water down c. Making sure that areas experiencing water scarcity have better access to freshwater d. Decreasing water supply to nations that are not in compliance with the United Nations

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Some studies have indicated that our eyes naturally travel from bottom left to top right, so putting the diagonal along that path can take advantage of our eye patterns. True ort False?

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Which of the following statements is true? 1.Both unicellular and multicellular organisms are at risk of having too much water entering their cells if they are exposed to water containing no salts. 2.Only multicellular organisms have structures that enable them to regulate excess water entering their cells. 3.Unicellular organisms can protect themselves against too much water uptake by closing their membrane channels that allow water transport. 4.Unicellular organisms, but not multicellular organisms, must deal with the movement of water by osmosis across their cell membranes

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Which of the following statements about Earth’s cycles is not true? a. Earth’s cycles move matter between abiotic and biotic factors of the environment. b. The various cycles found on Earth are vital to life. c. Some of Earth’s cycles are a direct result of human action. d. Earth’s cycles convert nonliving elements into forms usable by organisms.

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Which role does the cane toad play in the Hawaiian Islands? native species invasive species uncontrolled species endangered species

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Which of the following statements about biodiversity is not true? a. Changes to biodiversity never occur naturally. b. Changes to biodiversity can lead to a decrease in ecosystem stability. c. Changes to biodiversity can positively and negatively affect on an ecosystem. d. Changes to biodiversity can lead to an increase in ecosystem stability.

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Sea otters are important predators of sea urchins, an animal that eats giant brown kelp in continental shelf zones where they form huge kelp beds. It was observed that the removal of sea otters from the west coast led to an increase in the sea urchin population. These sea urchins fed on the large kelp fronds, destroying the kelp beds that serve as an important source of food and protection for spawning fish. What role does the sea otter play in this case? Dominant species Invasive species Keystone species

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Which of the following statements about ecosystems is not true? a. ecosystems include living and nonliving things. b. temperature and climate are not part of an ecosystem. c. an ecosystem can be as small as a rain puddle. d. sunlight, air, and water can be parts of an ecosystem.

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A transit system is not obligated to transport individuals with portable oxygen bottles because they are extremely dangerous to have in an enclosed area. true or false.

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Satellites are important to oceanographic research because they can quickly survey the surface of the earth. True False

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The entire ocean surface contains plankton. True False

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In rain forests the trees high in the canopy receive a large amount of direct sunlight. Plants that grow under the canopy receive less light. Why do plants that grow on the ground in rain forests have broad leaves? A) The broad leaves store food. B) The broad leaves help them survive the cold. C) The broad leaves provide shelter for insects. D) The broad leaves provide surface area to catch light.

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Give an example of a product made by such bacteria

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What is the basic organism that starts the aquatic food chain?

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Due to human activity, the temperature of the ocean has increased to above normal conditions, causing coral bleaching to occur. What consequence on ocean ecosystems will this event most likely have? Larger animals, like marine mammals, must adapt to new sources of food. More sediment in the water blocks sunlight from reaching the reef system. Reef food webs are being disrupted and significantly losing biodiversity. The water is becoming more acidic, causing shells of plankton to weaken.

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Which example is an organism? A. bacteria B. heart C. clay D. soil How does a rabbit reproduce? A. through spores B. through sexual reproduction C. through budding D. through asexual reproduction How does a rabbit reproduce? A. through spores B. through sexual reproduction C. through budding D. through asexual reproduction A Venus flytrap closes around a small insect. Which life characteristic does this illustrate? A. response to stimuli B. permeability C. reproduction D. growth Which animal could a polar bear mate with to produce offspring? A. grizzly bear B. puma C. moose D. seal The taxonomic reference for humans is Eukarya, Animalia, Chordata, Mammalia, Primates, Hominid, Homo, sapiens. Humans belong to which order? A. Animalia B. Hominid C. Primates D. Chordata

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Human skin color varies widely around the world, and children do not always exhibit the exact same coloring as their parents. Based on this information, what is true about human skin color? A.Skin color is not a genetic trait. B.A single pair of alleles controls this trait. C.It’s an example of incomplete dominance. D.It’s an example of polygenic inheritance.

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