The first planet to be discovered using mathematical prediction was: Neptune
Uranus
Jupiter
Saturn

How do you know that the plant cells in these two images have different jobs, or functions? a. because all plant cells serve different functions b. because they are two different colors c. because their dna are different d. because their structures are different

Which worm has eyespots that are used to detect light? a fluke b marine worm c planarian d tapeworm

What are potential sources of error in marta’s experiment