Chapter 1 Questions

Question 1

What are 3 ways fungi are important to ecosystems/ humans

Answer 1

• give antibiotics
• decomposers
• releases carbon, oxygen, nitrogen, and phosphorus into soil & atmosphere

Question 2

Difference between prokaryotes and eukaryotes

Answer 2

Prokaryotes
- no nuclear membrane
- small amounts of DNA
- single chromosomes with no protien
- no membrane bound organelles
Asexual reproduction by binary fusion

Eukaryotes
- defined nuclear membrane
- large amounts of DNA
- numerous chromosomes with protein
- diverse membrane & membrane bound organelles
- reproduction by mitosis and meiosis

Question 3

Difference between archea and bacteria

Answer 3

Archea has cell walls with no peptidoglycan , whereas bacteria does

Question 4

4 main groups of eukaryotes

Answer 4

Protists, fungi, plantae, animalia

Question 5

4 ecosystem services

Answer 5

• forests provide oxygen
• wetlands clean water
• grasslands control climate
• deserts give medicine