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photosynthesis removes carbon dioxide from the atmosphere, and cellular respiration puts it back. Photosynthesis releases oxygen into the atmosphere, and cellular respiration uses that oxygen to release energy from food
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zygote, fertilization
(haploid) spores, meiosis
a pollen tube
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Genes are segments of deoxyribonucleic acid (DNA) that contain the code for a specific protein that functions in one or more types of cells in the body. Chromosomes are structures within cells that contain a person's genes. Genes are contained in chromosomes, which are in the cell nucleus.
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The mutation for sickle cells will start to disappear because there's no benefit to carrying the disease if malaria is cured.
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Levels of organization in ecosystem:
1.Individuals or organisms
<span>2.Population- A group of organisms of a given species that live in a specific area at a given time</span>
<span>3.Comunity- All of the populations of different species that live in the same area and interact with one another</span>
<span>4. Ecosystem- Community (biotic) interacting with the environment (abiotic)</span> <span>5.Biome- A group of ecosystems sharing similar characteristics</span>
<span>6. <span>Biosphere-The sum of all the ecosystems established on planet Earth.</span></span>
