Which two characteristics describe all organism in the domain Eukarya

a. their cells are prokaryotic.

b. their cells wall lack peptidoglycan.

c. their cell walls have peptidoglycan.

d. their cells are Eukaryotic.

Which statement describes double fertilization in an angiosperm? a. Two egg cells are fertilized within each ovule. b. A sperm nucleus fuses with an egg cell and a sperm nucleus fuses with polar nuclei. c.

Genes that are linked together do what

Guided Practice Let's check your understanding of what you have learned so far. Which is a satellite? A. any star with one or more planets B. any object revolving around another object c. a television radio wave D. a space station on the moon

What gas was in the apparatus before you started generating oxygen? where did it go?

Making chemical energy from light energy is called cellular respiration. True or false

Which of the following best describes the dust gas and celestial bodies of the Milky Way galaxy

How is an atom and element related?

What is conservation of energy

Explain the difference between plasma and the formed elements of the blood.

How far away from the Sun is the asteroid in astronomical units?