Bio Exam 3 Quiz questions

Which phylum of animals includes the largest number of species?

Arthropods

What useful role do bacteria play in ecosystems?

Break down dead things and wastes and produce some of the oxygen used by other things

Which group of animals listed below has an INCOMPLETE digestive system?

Cnidarians

What term describes organisms with body cavities with linings and dividers between segments? (Airbags and seatbelts)

Coelomate

Which group of animals has larvae with bilateral symmetry and adults with radial symmetry?

Echinodermata

What groups of living things are Prokaryotic?

Eubacteria and Archaea

Which domain of organisms includes the Animal Kingdom?

Eukarya

Which groups of Animals are NOT segmented?

Flatworms

Which phylum of animals is the FIRST to show cephalization?

Flatworms

What major development helped Angiosperms spread and become more diverse?

Flowers

A digestive system that is incomplete has a main chamber called a(n)

Gastrovascular cavity

What two levels of the taxonomic hierarchy make up the "scientific name" of an organism?

Genus and species

Which group of plants is names for their seeds that lack a covering?

Gymnosperms

Which of the following is a trait of ALL fungi?

Heterotropic

What does vascular tissue do for a plant?

It transports water, nutrients and minerals throughout the plant.

Which is NOT a difference between Monocots and Dicots?

Monocots have branched or netted veins in their leaves. Dicots have parallel leaf veins

What is another name for the group of plants we call "Bryophytes"?

Moss

What term do we use when describing organisms that cause diseases?

Pathogenic

Which phylum of animals is considered most primitive and simple?

Porifera

In a fern, which stage is "dominant" (largest and most visible)?

Sporophyte

Archaea are sometimes called "extremophiles" because they live in habitats that are too harsh for other forms of life? In what habitat would you expect to find "Halophilic" bacteria?

Very salty water

In what habitat would you find ALL nonvascular plants?

Wet environments

A major difference between the seed plants is that _____ produce fruits and flowers and ____ do not

angiosperms; gymnosperms

Which is NOT a characteristic of all animals?

autotrophic

What does the term "Heterotroph" mean?

eats other things

There is an evolutionary trend for _________ size of the sporophyte (2N) and __________ size of the gametophyte (1N) in plants.

increased; decreased

Which type of symmetry is more primative?

radial symmetry

What does the term "eukaryotic" mean?

true nucleus