Questions needing improvement 2016-2018 Flashcards
Questions needing to be improved
What is false about barnacles?
They are dioecious
What kind of tail do the majority of ray-finned fish have?
Homocercal
Mammals and living birds share all the following characteristics except
An archosaur common ancestor
Clams and lobsters both have an exoskeleton, but lobsters have much greater mobility, why?
Lobsters have a jointed exoskeleton, allowing for flexible movement of appendages and body parts at the joints
What is a key variable in an altruistic act?
The co-efficient of relatedness
The benefit to the recipient
The cost to the altruist
In models of logistic population growth
The population growth rate slows dramatically as N approaches K
What is a characteristic common in all modern representatives of all major reptilian lineages
Presence of a notochord
Neural transmission across the gap of a chemical synapse is accomplished by…
Impulses causing the release of a chemical signal and its diffusion across the gap
What do Ophiuroidea not contain in their structure
Ambulacral grooves
Frogs have an external ear structure (tympanum) whereas salamanders don’t. What is the mostly explanation for this difference?
Salamanders live mostly in water where sound waves travel well and are easily detected.
Frogs rely on vocalisation for communication more than salamanders do.
Which of the following insect orders goes through
hemimetabolous (incomplete) metamorphosis?
Hemiptera (true bugs)
