A pond contains 500 fish, 100 of which have been tagged. You catch 50 fish. How many of them would you expect to be tagged?

Why did Greg Mendel use peas in his experiment

Corals heads are massive colonies started by a single individual that break off and gradually grows into a whole new organism. What is this type of reproduction? a. sexual reproduction b. parthenogenesis c. fission d. budding e. sprouting

Chemoautotrophy is unique to prokaryotes because eukaryotes cannot use inorganic compounds as a chemical energy source. false true

How can sediment transported in a stream cause abrasion?

Sort the examples by the type of diversity that they exhibit A park has 80 species of trees Red, yellow, and orange bell peppers are all members of the same species Individuals of the same lizard species have different mating strategies.

What type of wave moves audio and visual signals to your television? carrier waves transducer waves cable waves

Which object in the Solar System is essentially stationary relative to all the other objects in the Solar System? A. the Earth B. the Sun C. the Moon D. an asteroid

Wetlands are important because they provide filters for pollution and they provide a habitat for many animals. true or false? (ik this is earth science)

Is there a scientific reason why adults don't really understand their children?

1. How are structure and function related? 2. How are matter and energy related?