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They are called producers because they're able to produce their own food by the process of photosyntessis.
Answer:
Carbon dioxide and oxygen can't pass through the cuticle, but move in and out of leaves through openings called stomata
Explanation:
Differences Between Pteridophytes and Seed Plants
Pteridophytes don't produce cones, flowers, or fruit, unlike these seed plants. Instead, Pteridophytes produce spores. Spores are living, single-celled structures that are essential to the life cycle of many plants.
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Answer:
Sun
Explanation:
The main source of energy of energy for most organisms and the ecosystems. For example, producers, such as flowers and trees, use sunlight to go through photosynthesis.
DNA and RNA both contain a cyclic nitrogenous base, a posphate group and a five-carbon sugar. These are the base units of nucleotides which make up nucleic acids. DNA contains the nitrogenous bases; adenine, thymine, cytosine and guanine wheresas RNA contains the bases; adenine, thymine, cytosine and urasil. DNA codes for the nucleotides in an RNA molecule, whereas DNA codes for the amino acid sequence in a protein
