Why is an experiment called a controlled study?

The cranial remains from dmanisi bear some similarities to early homo specimens from africa but also bear some similarities to homo erectus specimens. a. True b. False

Which structure is unique to plant cells? cell nucleus cell wall vacuole mitochondrion

Brown eye color (B) is dominant and blue eye color (b) is recessive. In one school, 128 students have brown eyes and 72 students have blue eyes (bb).

Which is the correct order of the scientific process

Describe the relative positions of earth, the moon, and the sun for a spring tide and for a neap tide

Which is a characteristic of the littoral zone of lake erie?

In a small, isolated population of piranhas, one individual is born with a synonymous mutation in a gene that codes for the beta-globin protein found in hemoglobin. After five generations, 5% of the piranhas carry this mutation.

What is dna in biology

Amino acids with hydrophobic r groups are most often found buried in the interior of folded proteins. True or False.

Which division of the plant kingdom is made up of plants that have flowers or fruit? A.) Angiosperms B.) Gymnosperms C.) Nonvascular plants D.) Seedless vascular plants