Flatworms are

A. Parasitic

B. Free Living

C. both A and B

D. none of the above

What is the name of the particle that circles the nucleus of an atom?

What would be an advantage of using totipotent cells instead of pluripotent cells for medical treatments?

Why are protists hard to identify as plants or animals?

Which describes speciation? A. the grouping of a species B. the formation of a new species C. the extinction of an existing species

The deepest humans have ever drilled is 12 kilometres below the Earth's surface. However, this is a tiny fraction of the diameter of the whole planet. Imagine you could drill all the way to its centre - write 3 sentences to what would that be like?

Bradley decided to put a glass of water into the freezer, as he thought it would cool the water more quickly than the refrigerator. Bradley began to watch TV and forgot about the water for many hours.

Oak trees can grow to be tall. What kind of plants have the ability to grow large and tall and also lose their leaves in the fall? A) woody, evergreen B) woody, deciduous C) mossy plants in damp places D) plants with flowers and green stems

Name two wave interactions that can occur when a wave encounters a barriers.

What is the difference between oviparity and viviparity

A particular (blank) is the source of penicillin