Before constructing a hypothesis, a scientists must first

A. Make a guess

B. Do background research

C. Analyze their data

D. Conduct and experiment

Jonathan sows some pea seeds in one pot. Within few days the seeds germinate and a radicle forms, which gives rise to roots. How does a radicle give rise to the roots and why?

Which statement describes one of the main impacts of deforestation? A. Decrease in sea levels B. Decrease in global warming C. Decrease in carbon monoxide emissions D. Decrease in animal populations

Four liquids were poured on top of each other in a glass, and the liquids separated into four different layers. Which liquid had the highest density? A. the layer at the top of the glass B. the layer at the bottom of the glass C.

This protective covering on the axon is formed by a type of neurglia called schwann cells.

Describe how a hidden virus multiplies

Where are chromosomes located? in nucleic acids in ribosomes in the nucleus

what could potentially cause more damage to an organism a deletion mutation at the beginning of a dna sequence or at the end of a DNA sequence?

The end daughter cells are diploid or haploid

Why are species like the lionfish considered "invasive"?

What process hollows out limestone caves?