Approximately how much of Earth's surface is covered by water?

30 percent

70 percent

40 percent

50 percent

What is the main purpose of aquaculture? A) To develop new species of animals. B) To provide a food source for humans. C) To preserve the aquatic environments. Eliminate D) To ensure that breeding populations are maintained.

Gymnosperms have been around for at least:

Which is type of disease is a pathogen causes infectious or noninfectious

How is a severed electrical cord similar to a nerve that has been cut?

A new development is being built on the outskirts of a city, near a stream. A parking lot is constructed on one side of the stream, and land is cleared for a playground on the other side.

Name two food making processes

Which of the following are not allowed on public land?

Describe how the development of a special beak shape could affect a bird species' survival.

Durante la meiosis II, usamos el término cromosomas homólogos A:cierto B: falso

Jaden's father is immune to poison ivy. Jaden is also immune to poison ivy. Jaden's immunity to poison ivy is which kind of trait?