Part of a unit on Arizona's biotic communities, this lesson focuses on the vocabulary to be used. Terms include biodiversity, topography, desert, hybridization, niche, and more! Youngsters will define these words from contextual...

Test scholars' knowledge of ecosystems with a 20-question pre-assessment. Assessment challenges learners to answer multiple choice questions, read diagrams, and complete charts.

Twenty questions make up an assessment designed to test super scientists' knowledge of ecosystems. Scholars answer multiple-choice and short-answer questions about organisms, food chains, energy flow, and more.

Ninth graders describe the six levels of ecological organizations and give examples of each. They also differentiate between food chains and webs and identify trophic and consumer levels in food chain and food webs.