Classification & Taxonomy
What is the science of naming and classifying organisms?
Taxonomy
What is any preserved evidence of past life called?
Fossil
What process do plants use to make glucose using sunlight?
Photosynthesis
Which plant tissue transports water?
Xylem
What is the smallest basic unit of life?
Cell
What is the broadest taxon in the modern classification system?
Domain
What type of fossil shows evidence of an organism’s activity, such as footprints or burrows?
Trace fossil
What are plants called because they make their own food?
Autotrophs
Which plant tissue transports sugar?
Phloem
What is a group of specialized cells working together called?
Tissue
Who developed binomial nomenclature?
Linnaeus
What type of fossil forms when an organism leaves a hollow space in sediment?
Mold
Which plant group produces seeds inside fruit?
Angiosperms
Which structure helps prevent water loss from a plant?
Cuticle
Put these in order from smallest to largest: organ, cell, organism, tissue, organ system
Cell → tissue → organ → organ system → organism
What are the two parts of a scientific name?
Genus and species
Why are older fossils usually found lower in rock layers?
Older layers are usually deposited first, so they are found beneath newer layers.
Which plant group produces seeds in cones?
Gymnosperms
Which plant hormone helps fruit ripen?
Ethylene
Which level of organization includes organs, tissues, and cells?
Organ system
What separates Bacteria from Archaea?
Bacteria have peptidoglycan in their cell walls; Archaea do not.
What event refers to the sudden appearance of many animal phyla in the fossil record?
Cambrian explosion
What is the difference between vascular and nonvascular plants?
Vascular plants have tissues that transport water and sugar; nonvascular plants do not.
Which hormone helps close stomata during water stress?
Abscisic acid
Which level is not made of groups of cells: organelle, tissue, organ, or organ system?
Organelle