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Science Exam
Use this to prepare for science mid-term exam
| Question | Answer |
|---|---|
| What is the name for the process in which plants get their energy? | Photosynthesis |
| What are the inputs for photosynthesis? | Carbon dioxide, water, and sunlight |
| What are the outputs of photosynthesis? | Oxygen and glucose |
| What are the two processes that occur for animals to get their energy? | Cellular respiration and digestion |
| What are the reactants of cellular respiration? | Sugar and oxygen |
| What are the products of cellular respiration? | Carbon dioxide, water, and useable energy (ATP) |
| What are the 3 uses for the energy created in cellular respiration? | Physical activities, body heat, and energy storage |
| Why are plants called "producers"? | They make their own food |
| Why are animals called "consumers"? | They eat other organisms and don't make their own food |
| What happens to the total energy available as the energy pyramid goes up? | The energy decreases by 10% each level |
| In an ecosystem, which level of the energy pyramid will have the largest population? | Bottom/producers |
| In an ecosystem, which level of the energy pyramid will have the smallest population? | Top/apex predator |
| Why do decomposers belong at the side of the energy pyramid and not the bottom? | They break down matter form all levels of the pyramid |
| What is the climate and what species are found in a temperate Forest? | Four seasons, lots of rain, deciduous trees, and rabbits/birds/deer |
| An area of the planet characterized by the climate and the species found there. | Biome |
| This is a community of different species and their interactions with each other and their physical environment | Ecosystem |
| This is the physical space where an organism makes its home. | Habitat |
| This is an organisms role in its community, how it fits in. "Job" | Niche |
| What are the 7 main land biomes we researched? | Tundra, Tropical grassland, Taiga/Boreal Forest, Tropical Rainforest, Temperate Forest, desert, and Temperate grassland |
| What biome do we live in? | Temperate Forest |
| Anything that is living or has once lived or will live. | Biotic |
| Anything that has never been or never will be alive. | Abiotic |
| What is ecological succession? | The gradual change in the species structure of a community over a period of time. |
| What is the difference between primary and secondary succession? | Primary is the colonization of new land when nothing has been there before, when secondary is the rebuild of a community that follows a disturbance. |
| What are adaptations and what are the two types of them? | Adaptations are characteristics that help an organism survive. The two different types of structural and behavioral. |
| Give an example of a structural adaptation, how it benefits the organism, and an organism with that adaptation. | Sharp claws to help them hunt and climb trees. A tiger |
| What is biodiversity and why is it important? | The variety of different organisms in an area and it makes the area more resilient to change. |
| Does biodiversity increase or decrease as you get farther away from the equator? | Decrease |
| What is an invasive species and what is an example of one? | Species that have been introduced to areas outside their native rand and can cause harm. Zebra Mussels |
| What is an atom? | Basic unit of matter, made up of subatomic parts |
| What determines the atomic number of an element? | Number of protons |
| What 2 subatomic particles make up the atomic mass? | Protons and neutrons |
| How are elements arranged in the periodic table? | By increasing atomic number |
| True or false: Elements are a substance that cannot be broken down into simpler substances by chemical means. | True |
| What are the 3 main categories of elements on the periodic table? | Metal, non-metal, and metalloids |
| What are 3 characteristics of metals? | High melting point, good conductors, and high density |
| What are 3 characteristics of nonmetals? | Low melting point, poor conductors, and low density |
| What are 3 characteristics of metalloids? | Medium melting point, medium conductors, and medium density |
Created by:
Karalyn Soltman
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