5 characteristics of life

cell

primates

vertebrates

3 kingdoms/domains of life

eukarya kingdom

mammals

closest primate relative

why are humans more complex?

life's organization order

producers

primary consumers

secondary consumer

tertiary consumers

quaternary consumers

humans are typically...

energy flow

energy

scientific studies are...

steps of scientific method

ecosystems are...

examples of effects of human activities

experiment

variable

control group

sampling error

science has to be...

critically thinking

correlation

cause

what to remember about cause and correlation

fact

opinion

critical thinking def

theory

a theory can be...

science can't...

science doesn't involve...

homeostasis

negative feedback includes...

why more diseases in recent years?

respiratory tract preventative measures

digestive tract preventative measures

blood preventative measures

skin preventative measures