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Science

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Across
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the bodily process of discharging waste matter
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embryonic leaf in seed-bearing plants
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the fine spores that contain male gametes and that are borne by an anther in a flowering plant
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warming when solar radiation is trapped by the atmosphere
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the smallest structural and functional unit of an organism, typically microscopic and consisting of cytoplasm and a nucleus enclosed in a membrane.
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major ecological community with distinct climate and flora
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part of DNA controlling physical characteristics and growth
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a microscopic network of actin filaments and microtubules in the cytoplasm of many living cells that gives the cell shape and coherence
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the resting state in which some animals pass the winter
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the study of heredity and variation in organisms
Down
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the process by which the body breaks down food
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the ripened reproductive body of a seed plant
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a rigid layer of polysaccharides enclosing a plant membrane
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a threadlike strand of DNA that carries genes
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a digestive juice secreted by the liver
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plastid containing chlorophyll and other pigments
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a plant having foliage that is shed annually at the end of the growing season
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a mature fertilized plant ovule consisting of an embryo and its food source and having a protective coat or testa
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a substance that cannot be separated into simpler substances
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The planet on which we live