Populations & Ecosystem

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21 Terms

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Observation

Information obtained through the senses

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Population

A group of individuals that belong to the same species and live in the same area

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Organism

A living thing

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Species

The same type of organism

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Habitat

Place where organism lives

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Model

A representation of an object or event

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Inference

A conclusion reached on the basis of evidence and reasoning

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Clutch

A group of eggs

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Community

All the interacting populations in a specified area

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Ecosystem

A system of interacting organisms and nonliving factors in a specified area

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Biotic

Living organisms and products of organisms

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Abiotic

Nonliving

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Population Study

An experiment in which the observer collects data over time for one population in an ecosystem

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Observational study

An experiment in which the observer collects data over time without interacting with the area of study

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Controlled Experiment

An experiment in which the observer standardizes all but one variable to measure results (for example: choosing the fertilizer plants get and seeing how tall they grow)

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Biome

A group of ecosystems that share similar climates and typical organisms

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Ecosystem services

All the processes through which natural ecosystems help sustain human life: -provisioning, regulating, cultural, and supporting.

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What does the population of milkweed bugs need to survive in a classroom?

Water, shelter, food, air, female/male, sunflower seeds.

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How do milkweed bugs reproduce and grow?

Male/female, mating, laying eggs

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What is the relationship between individuals, populations, communities, and abiotic factors in an ecosystem?

more than one individual is a population. More than one population is a community. And a community and abiotic factors make up an ecosystem.

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How is the milkweed bug habitat similar to and different from Jane Goodall population study?

They were both making observation, ours is a controlled set up, Jane Goodalls wasn’t not in a controlled set up.