Diversity of Form and
Function: Lecture 6-Plant
Diversity (Exam 1) Questions
with Correct Answers
colonial organisms - Correct Answer: Multiple cells adhere but are not differentiated.
Multicellular - Correct Answer: more than one cell type
History of life on land - Correct Answer: -Fungi, then plants
-animals invade land later
-see similar forms, and and sea. ex. snails and crabs.
1st 2 billion years - Correct Answer: no terrestrial life
1.8-1.3 billion years ago - Correct Answer: 1st eukaryotes (marine)
1.2 billion years ago - Correct Answer: protists, bacteria on land
1360-635 million years ago - Correct Answer: 1st multicellular organisms
500 million years ago - Correct Answer: 1st terrestrial multicellular organisms
aquatic: green algae - Correct Answer: Anchorage: Roots
Support: Stems/lignin
Internal support: vascular tissue
Muscle/nerves: --
Desiccation resistance: Cuticle
, Gas exchange: Stomata
Terrestrial: Land Plants
aquatic: Marine Crustacean - Correct Answer: Anchorage: --
Support: Exoskeleton
Internal support: veins
Muscle/nerves: Muscle/ nerves
Desiccation resistance: exoskeleton
Gas exchange: tracheal system
Terrestrial: grasshopper image
aquatic: Lobe-fin - Correct Answer: Anchorage: --
Support: skeleton (limbs)
Internal support: veins
Muscle/nerves: muscles/nerves
Desiccation resistance: amniotic eggs, scales
Gas exchange: gills (lungs)
Terrestrial: image of a gecko
All Green Plants - Correct Answer: -chlorophyll a and b
-starch--storage
-cellulose-- cell walls
Only in Land Plants - Correct Answer: -spores
-apical meristems- localized growth
-Plasmodesmata- cell communication
Advantagous Innovations (AI) - Correct Answer: The more of these a species has, the more successful
(and thus abundant the species is.
Function: Lecture 6-Plant
Diversity (Exam 1) Questions
with Correct Answers
colonial organisms - Correct Answer: Multiple cells adhere but are not differentiated.
Multicellular - Correct Answer: more than one cell type
History of life on land - Correct Answer: -Fungi, then plants
-animals invade land later
-see similar forms, and and sea. ex. snails and crabs.
1st 2 billion years - Correct Answer: no terrestrial life
1.8-1.3 billion years ago - Correct Answer: 1st eukaryotes (marine)
1.2 billion years ago - Correct Answer: protists, bacteria on land
1360-635 million years ago - Correct Answer: 1st multicellular organisms
500 million years ago - Correct Answer: 1st terrestrial multicellular organisms
aquatic: green algae - Correct Answer: Anchorage: Roots
Support: Stems/lignin
Internal support: vascular tissue
Muscle/nerves: --
Desiccation resistance: Cuticle
, Gas exchange: Stomata
Terrestrial: Land Plants
aquatic: Marine Crustacean - Correct Answer: Anchorage: --
Support: Exoskeleton
Internal support: veins
Muscle/nerves: Muscle/ nerves
Desiccation resistance: exoskeleton
Gas exchange: tracheal system
Terrestrial: grasshopper image
aquatic: Lobe-fin - Correct Answer: Anchorage: --
Support: skeleton (limbs)
Internal support: veins
Muscle/nerves: muscles/nerves
Desiccation resistance: amniotic eggs, scales
Gas exchange: gills (lungs)
Terrestrial: image of a gecko
All Green Plants - Correct Answer: -chlorophyll a and b
-starch--storage
-cellulose-- cell walls
Only in Land Plants - Correct Answer: -spores
-apical meristems- localized growth
-Plasmodesmata- cell communication
Advantagous Innovations (AI) - Correct Answer: The more of these a species has, the more successful
(and thus abundant the species is.
