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Topic 1 Science
Question | Answer |
---|---|
asymmetrical | something that cannot be divided into mirror images |
cambium | the layer in plants that separates the xylem from the phloem |
cell | the smallest unit of all living matter |
chlorophyll | a green chemical in plant cells that allow plants to use the sun's energy to make food. |
classification | the science of organizing categories for living things |
kingdom | the largest group into which an organism can be classified |
muscular system | the body system made of muscles that move bones |
organism | any living thing that can carry out its life on its own |
photosynthesis | the food making process in green plants that use sunlight |
skeletal system | the organ system made of bones, tendons, and ligaments |
bilateral | a type of symmetry where the body can be cut in one place and you end up with two sides that are the same (mirror images) |
asymmetrical | a type of symmetry on an organism where there is no place that it can be cut and have two sides the same (no mirror images) |
radial | a type of symmetry on an organism where it can be cut in many places and the two sides are exactly the same. (mirror images) |
cells together make a | tissue |
tissues together make an | organ |
organs together make an | organ system |
organ systems together make an | organism |
vascular plants | contain tubes that transport nutrients, water, and sugar |
non-vascular plants | contains no tubes and must absorb water from the ground like a sponge |
xylem | tubes in a plant that carry water and minerals |
phloem | tubes in a plant that carry food (sugar) |
doesn't have a nucleus, doesn't have mitochondria, and is unicellular | bacteria |
monotreme | a mammal that lays eggs - feeds from its mother's milk |
kingdoms | animals, plants fungi, bacteria, archaea, and protists |
bronchi and alveoli | inside the lungs |
cambium | the phloem and the xylem are made in the |
sugar | food made by a plant |