Q: What is a group of similar ecosystems with the same general abiotic factors and primary producers? A:

OPTIONS:
- ecoregion
- family
- taxon
- biome

Answer: biome

Problem: OPTIONS:
- enzymes
- collagen
- essential amino acids
- antibodies
Q: Q: Which proteins recognize and combine with harmful materials, including both toxic chemicals and invasive microorganisms? A:
Answer: antibodies

Problem:OPTIONS:
- metabolism
- erosion
- destruction
- corrosion

Q: Gradual degradation of a material due to its exposure to the environment is known as what? A:
****
A: corrosion

Q: Along with other organelles, all eukaryotic cells possess what structure? A:
OPTIONS:
- chromosomes
- cell walls
- flagella
- nucleus
nucleus

Q: Substances that act as both weak acids and bases are said to be what? A:
OPTIONS:
- amphiphilic
- hygroscopic
- atmospheric
- amphoteric

Answer: amphoteric

input with options: Q: The water cycle is powered by energy from where? A:
OPTIONS:
- atmosphere
- earth
- living things
- sun
output:
sun