All Subject Study Guide for 7th Grade Comprehinsive Physics, biology, chemistry, math, english, and spanish Exam Questions and Answers Update

All Subject Study Guide for 7th Grade Comprehinsive (Physics, biology, chemistry, math, english, and spanish) Exam Questions and Answers Update

Homeostasis ✔✔When organisms maintain a stable internal environment even
when external conditions change
Metabolism ✔✔Combination of chemical reactions taking place within an
organism
Stimulus ✔✔A signal to which an organism responds
Biosphere ✔✔Means "living planet"
Robert Hooke ✔✔Scientist who looked at cork through a microscope and gave
the name to cells
Light Microscope ✔✔A type of microscope
Can magnify 1000x
Not as strong as other microscopes
Uses light
Scanning Electron Microscope ✔✔A type of microscope
Can magnify 100,000x
Uses electron beams focused by magnetic fields
Used to see surface of objects