Biodiversity Exam 4
One characteristic of all animals is that they
Are heterotrophs
Which is not a characteristic of all chordates
Brain
You are walking along the beach and come across the almost complete body of an animal. it appears to be mature, has a skeleton of cartilage, paired fins, and tooth like scales covering the body. you classify this animal as a
Chondrichthyan
From an evolutionary perspective, true nerve cells are first seen in the phylum
Cnidaria
The main structural proteins in the extracellular matrix of animals are
Collagen
Which was the primary challenge animals faced to adapting to life on land
Desiccation
Which of the following is not an example of Plathelmintes?
Earthworm
Which of the following animals help maintain fertile soil
Earthworms
From the clade Deuterostomia, which has a water vascular system
Echinoderms
The germ layer endoderm forms the
Lining of the digestive track
Which arthropods are you most likely to have a living in your bed
Mites
The veliger larval form is unique to
Molluscs
The locust belong in the clade Ecdysozoa because its lifecycle involves
Molting
The monotremes are an unusual group of mammals because they
lay eggs
Which is not associated with cephalopods
Filter feeders
A student brings you an animal to identify. It has a head, thorax, and abdomen, one pair of antennae, 3 pairs of legs and wings, to which subphylum would it belong?
Hexapoda
Where does digestion in a sponge take place
Individual cells
And important adaptation to a terrestrial life is a body covering that minimize water loss what protein is found in animal skin cells that helps prevent water loss and provides physical protection
Keratin
Which is not a feature of the Porifera
Nerve tissue
The amniotic egg was an extremely important evolutionary step as it allowed terrestrial vertebrates to complete their life cycle on land. The amniotic egg contains several extra embryonic membranes. what is the function of the chorion?
Plays a major role in gas exchange
Which animal phylum has an asymmetrical body plan
Porifera
The main benefit of a coelom is
Providing a space for internal organs
Which of the following is characteristic to most deuterosomes
Radial cleavage
Which structure do numerous mollusk use to feed, for example, to scrape off algae off rocks?
Radula
The amphibians are believed to have arisen from ancestral
Sarcopterygian
What specialized structure do crustaceans use to sense gravity
Statocysts
In the evolution of vertebrates, it has been hypothesized that they might have come from a tunicate ancestor and that the tunicate larvae maybe "the cordate body plan" by a process of neotany. What does neoteny mean?
The retention of juvenile features in the adult animal.
Which is a characteristic of all anellids
They are segmented
Which is a unique adaptation and insects not found in any other arthropod
Wings
The amniotic egg first evolved in
reptiles