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Plant Ecology

Unit 6: Vocabulary Terms Plant Diversity and Ecology Biology 2

TermDefinition
Angiosperm Seed plant whose embryos are enclosed by fruit.
Botany Study of plants.
Cone Reproductive structure of gymnosperms inside of which the female gamete is fertilized and seeds are produced.
Cotyledon Embryonic leaf inside of a seed.
Cuticle In plants, a waxy layer that holds in moisture.
Dicot Flowering plant whose embryos have two cotyledons.
Flower Reproductive structure of an angiosperm.
Fruit Fertilized and mature ovary of a flower.
Gymnosperm Seed plant whose seeds are not enclosed by fruit.
Monocot Flowering plant whose embryos have one cotyledon.
Plant Multicellular eukaryote that produces its own food through photosynthesis.
Pollen grain Two-celled structure that contains the male form of the plant’s gamete.
Pollination Process by which seed plants become fertilized without the need for free-standing water.
Seed Structure used by some land plants to store and protect the embryo.
Stomata Pores in the cuticle of a plant through which gas exchange occurs.
Vascular system Collection of specialized tissues in some plants that transports mineral nutrients up from the roots and brings sugars down from the leaves.
Wood Fibrous material made of dead cells that are part of the vascular system in some plants.
Abiotic Nonliving factors in an ecosystem, such as moisture, temperature, wind, sunlight, soil, and minerals.
Biodiversity variety of life within an area.
Biome Regional or global community of organisms characterized by the climate conditions and plant communities that thrive there.
Biosphere All organisms and the part of Earth where they exist.
Biotic Living things, such as plants, animals, fungi, and bacteria.
Community Collection of all of the different populations that live in one area.
Consumer Organism that obtains its energy and nutrients by eating other organisms.
Ecological footprint Amount of land necessary to produce and maintain enough food, water, shelter, energy and waste.
Ecological niche All of the physical, chemical, and biological factors that a species needs to survive, stay healthy, and reproduce in an ecosystem.
Ecology Study of the interactions among living things and their surroundings.
Ecosystem Collection of organisms and nonliving things, such as climate, soil, water, and rocks in an area.
Food chain Model that links organisms by their feeding relationships.
Food web Model that shows the complex network of feeding relationships within an ecosystem.
Greenhouse effect Normal warming effect produced when gasses, such as carbon dioxide and methane, trap heat in Earth’s atmosphere.
Habitat Combined biotic and abiotic factors found in the area where an organism lives.
Nonrenewable resource Natural resource that is used more quickly than it can be formed.
Producer Organism that obtains its energy from abiotic sources, such as sunlight or inorganic chemicals.
Renewable resource Resource that replenishes itself quickly enough so that it will not be used faster than it can be produced.
Succession Sequence of biotic changes that regenerate a damaged community or start a community in a previously uninhabited area.
Trophic level Level of nourishment in a food chain.
Created by: s.tibtisam1
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