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Life Science FSA
| Question | Answer |
|---|---|
| List the levels of organization from atom to organism. | atom, molecule, cell, tissue, organ, organ system, organism. |
| What are four types of tissues? | epithelial, muscle, nervous, connective |
| What are the three statements that make up the cell theory? | 1.all organisms are composed of cells (single-celled or multicellular) 2.all cells come from preexisting cells (through cell division) 3.cells are the basic unit of life |
| How do organisms and their cells maintain homeostasis? | 1.extracting energy from food 2.getting rid of waste 3.reproducing. |
| What are the three differences between plant and animal cells? | 1. Only plant cells have a cell wall 2. Only plant cells have chloroplast 3. Plant cells have one large vacuole and animal cells have many small vacuoles. |
| What is the function of the cell wall? | Provide support for the plant cell. |
| What is the function of the chloroplast? | Makes food for the plant cell through photosynthesis. |
| What is the function of the cell membrane? | Controls what enters and leaves the cell. |
| What is the function of the nucleus? | The control center of the cell. |
| What is the function of the cytoplasm? | The cytoplasm is the gel-like fluid inside the cell. |
| What is the function of the mitochondria? | To make energy for both plant and animal cell through cellular respiration. |
| What is the function of the vacuole? | Stores materials that are needed by the cell. In plant cells it also provides support for the cell. |
| What body systems work together to allow movement? | Nervous and musculoskeletal |
| What body systems work together to take in oxygen , deliver it to the cells of the body and remove carbon dioxide? | Respiratory(lungs) and Circulatory(blood, heart, arteries, veins) |
| The kidneys filter the blood and produce urine. The urine is held in the muscular bladder until it can be release. What three body systems are involved in this process? | Excretory(skin, kidneys), circulatory(blood, heart, arteries, veins), and the musculoskeletal (muscles and bones) systems |
| Which organ systems are responsible for breaking down nutrients and delivering them to body cells? | Digestive ( stomach, intestine, esophagus etc.) and circulatory(blood, heart, arteries, veins) |
| What are autotrophs?Examples? | Organisms that make their own food like plants. |
| What are heterotrophs?Examples? | Consumers- organisms that eat other living things like protist, fungi and animals. |
| What are prokaryotes?Examples? | Bacteria, organisms with simple cells. |
| What are eukaryotes?Examples? | Organisms with complex cells that have many parts.Protists, fungi, plants and animals are Eukaryotes. |
| What does it mean for an organism to be multicellular?Examples? | Made of many cells like fungi, plants and animals. |
| What does it mean for an organism to be unicellular?Examples? | Made of only one cell like bacteria. |
| List the levels of classification from Domain to species? Which consist of the largest group of organisms? | Domain(largest group/least closely related), kingdom, phylum , class, order, family, genus , species(smallest group, most closely related) |
| How do genetic variation and environmental factors contribute to evolution by natural selection? | -Variation(differences) exist in the population.Some variations allow organisms to survive better(camouflage)or make them more attractive to mates (peacock feathers),which leads to evolution. |
| How do fossils provide evidence for evolution(change over time)? | -Fossils have be found of organisms that are extinct. -Fossils have been found of transitional forms which have characteristics of both modern an extinct organisms. |
| What happens if organism are unable to adapt to changes in their environment? | They will go extinct |
| What is DNA? | A set of instructions that all organisms have that specifies its traits. |
| Fill in the blank: Hereditary information (DNA) contains __________ located in the chromosomes of each cell and/or that ___________ is the passage of these instructions from one generation to another. | genes, heredity |
| Compare and contrast: mutualism,parasitism, and commensalism. | -All are types of symbiosis(close relationship) Mutualism: both benefit Commensalism: One benefits, the other is not affected. Parasitism: One benefits, the other is harmed |
| What are the roles or producers consumers and decomposers in the process of energy transfer in a food web? | Producers: Turn radiant energy from the sun into food. Consumer: Eat plants and animals and take in some of their energy. Decomposers: break down waste and decaying matter. |
| What is a limiting factor? | Resources or conditions that can impact the growth of a population. Ex. water, shelter, mates, food, predation. |
| Where are places carbon can be found? | atmosphere, organisms, fossil fuels, sediments, and oceans/water. |
| Describe the process of cellular respiration. | cellular respiration breaks down food to provide energy and releases carbon dioxide. |
| Describe the process of photosynthesis. | Water, carbon dioxide and light energy are absorbed by chlorophyll, resulting in the production of food (glucose) and oxygen. |
| What processes provide evidence for the law of conservation of matter? | photosynthesis, cellular respiration and the carbon cycle. In each process matter is transferred(moved) or transformed(changed), but NOT EVER created or destroyed. |
Created by:
msings
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