Physical Characteristics
What do scientists use to group organisms based on how they look?
Physical traits
All living things are made of what basic unit?
Cells
Which class of animals is known for having feathers and wings?
Birds
Antennae are mainly used for what purpose?
Sensing environment (touch, smell)
What are feathers made of? (same stuff that your nails are made of)
Keratin
Which part of a plant helps identify its type — leaf shape, color, or smell?
Leaf shape
What molecule contains genetic information in living things?
DNA
What insect order includes butterflies and moths?
Lepidoptera
What group of animals typically have antennae?
Insects
What is one main purpose of feathers besides flight?
Insulation or temperature control
What kind of symmetry do humans have — radial, bilateral, or none?
Bilateral symmetry
What chemical process do plants use to make food?
Photosynthesis
What is the main function of wings in most animals?
Flight
Butterflies have what kind of antennae shape?
Club Shaped
The colorful feathers of a peacock are found on male or female peacocks?
Male
A turtle’s shell is an example of what type of adaptation?
Structural adaptation
Which chemical helps animals break down food for energy?
Enzymes
Some insects have two pairs of wings. What is this called?
Four-winged insects
Which arthropods have two pairs of antennae? (might live in the ocean. Goes great with butter)
Crustaceans (ex. lobster)
What type of feathers help birds stay waterproof? (you might have heard this word in a makeup commercial)
Contour feathers
What distinguishes mammals from other animals with backbones?
They have hair or fur and produce milk
Two organisms with very similar DNA sequences are likely to be what?
Closely related
Bats and birds both have wings but evolved them separately. What is this called?
Convergent evolution
How do antennae help insects classify into species?
Shape and number vary among species
What evolutionary evidence do feathers provide about dinosaurs?
Some dinosaurs had feathers, showing relation to birds