Birds evolved directly from:

A) dinosaurs

B) mammals

C) amphibians

D) fish

What are two ways that energy can be conserved?

What type vegetable plant often needs to be hardened off

What physiological process explains the principle of segregation? a. mitosis b. meiosis c. dominant traits d. protein synthesis

What would most likely prevent the inside-out model from becoming an accepted scientific theory?

35. Other than going through the same phases/phase names, give 2 similarities between mitosis and meiosis.

Which location would most likely hold autotrophs that derive their energy from chemical compounds? Question 12 options: swamp sediments antarctic pools grassland soil surface desert rocks

About four or five days after fertilization, a group of cells forms a ball-like structure. What is the name of this structure? A. Heart B. Placenta C. Blastocyst D. Stem Cell

Which of the following is the best definition of a scientific theory? A. a broad, well-supported explanation of related observations or events B. a description of a natural phenomenon that is always observed to occur under specific conditions C.

Consider a small protein containing 101 amino acid residues. the protein will have 200 bonds about which rotation can occur. assume that three orientations are possible about each of these bonds.

Where would i find the nucleus?