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Predictions

Data

Correlations

Statistical Tests

A blind experiment testing the effects of caffeine on blood pressure

An unbiased investigation that shows a strong correlation between two variables

A double-bling study involving a new heart disease treatment

An experiment that is slightly biased but does not use a model organism

The hypothesis is referred to as a prediction.

it is considered a scientific theory.

Further experimentation will not occur unless an alternative hypothesis is proposed.

It is a fact that cannot be refuted.

Spines of bamboo

Spines in cacti

Thorns in roses

Pollens of cedars

Correlation.

Variable.

Hypothesis.

Experiment.

Plants only

Algae and cyanobacteria only

Plants, algae, and cyanobacteria

Plants and algae only

Algae only

Experimentation cannot support a hypothesis because it only tests predictions.

Alternative hypotheses might provide a better answer to the research question.

A hypothesis cannot ever be true or false because it is an opinion.

Hypotheses change every time a new experiment is conducted.

The dinosaur Tyrannosaurus rex was a scavenger, not a predator.

People with type O blood are natural meat eaters.

Peacocks like to display their large tail feathers.

Bees can see ultraviolet light that humans can't.

If a person doesn't drink Echinacea tea, then he or she will catch a cold very easily.

If people with a cold drink Echinacea tea, then they will feel better sooner than people who don't consume the tea.

If people with a cold drink Echinacea tea, then the tea will reduce their stress, making them feel better.

If people with a cold drink Echinacea tea, then an ingredient in the tea will bind to cold viruses and destroy them.

It is falsifiable.

It is not based on observations.

It is a theory about something.

It is a theory about something.

Flowers Color

Duration of artificial daylight

Leafs Size

Duration of the experiment

Developing snails are kept in a tank of water that has never been exposed to boat paint.

Developing snails are kept in a tank of water and exposed to below-expected levels of tributyltin.

Developing snails are kept in a dry tank to avoid exposure to contaminated water.

Developing snails are kept in a tank of water and exposed to boat paint that does not contain tributyltin.

They are called angiosperms

They do not produce seeds

They produce fruits

They have vascular tissues

They produce gametes

Plants

Fungi

Archea

Eubacteria

Animals

Protista