1. which of the following is a disadvantage of asexual reproduction? a: high genetics diversity of offspring b: all of the above c: inability to adapt to changes in the environment d: limited availability of mates. 2. which of the following best explains why different proteins contains a different number and a different sequences of amino acids? a: proteins combine in different ways based on the cellular need b: proteins are produced by different ribosomes c: proteins are different because each condon codes for more than one amino acid. d: proteins are coded by genes with different nucleotides sequences.

Read each description below and determine to which stage of sleep each pertains. then click and drag each box into the appropriate category below.

80 points pls brainliest 1. what does a red shift mean? blue shift? 2. describe the big bang theory. according to this theory, how old is the universe? 3. scientists believe the universe is expanding. what is the evidence that supports this? 4. describe a nebula. 5. describe the 3 types of galaxies. what is a barred spiral galaxy? 6. what is a light year? how far is alpha centauri from earth? 7. describe the universal law of gravitation. be sure to include gravitational force between two objects. 8. describe the planets’ orbits around the sun. 9. what is the asteroid belt? where is it located? 10. describe rotation and revolution of earth. what determines an earth day and year? 11. how do galaxies exist? 12. compare and contrast the inner and outer planets. 13. what causes the seasons?

3differences between bacteria and other 2 cells