Super Quiz Flashcards
Which of the following statements concerning animal taxonomy is (are) true?
- Animals are more closely related to plants than to fungi.
- All animal clades based on body plan have been found to be incorrect.
- Kingdom Animalia is monophyletic.
- Only animals reproduce by sexual means.
- Animals are thought to have evolved from flagellated protists similar to modern choanoflagellates.
3 & 5
In which biome do animals reach their maximum species richness (number of species per sq. meter)?
Tropical Coral Reefs
Bactreria have ____ regions of nucleic acids.
circular
Tunicate larva have very rudimentary eyespots, the adult Sea Squirts have _____.
No eyes
With its two siphons and a filter, a sea squirt (Urochordate) obtains food most like a
Sponge
Which statement is correct with regard to the comparison of secondary endosymbiosis to primary endosymbiosis?
In secondary endosymbiosis, an entire free-living alga is ingested into the food vacuole of a heterotrophic eukaryote
There is still some controversy among biologists about whether Neanderthals should be placed within the same species as modern humans or into a separate species of their own. Most DNA sequence data analyzed so far indicate that there was interbreeding between Neanderthals and humans; however, it appears to have been limited and mostly unidirectional (Neanderthal genes are present in Homo sapiens DNA, but there exists little to no evidence of the DNA of Homo sapiens in the small number of genomes sequenced from Neanderthal fossils. Which species concept is most applicable as a method of analysis in this example?
Phylogenetic
Natural selection is the force that creates speciation events, the environment is applying pressure on an organism’s ___ but ultimately it is changes in the ___ frequency which lead to evolution.
Phenotype, genotype
Some coral rely on a relationship with dinoflagellate protists, the zooxanthellae
Mutualistic
Most astronomers place the origin of the Universe at about ___ when the Big Bang occurred.
13.7 GYA
During development the blastopore of a Whale Shark first develops into the ___ and then the rest of the body.
Anus
In vertebrates (like frogs) the blastopore first forms the opening for the ____.
Anus
A typical planarian, a non-parasitic flatworm feeds by
scraping and sucking food particles into the GVC via a midventral proboscis
Our current understanding of tetrapod evolution follows the ______ that ____ came first.
Woodland Hypothesis; Limbs
When developing a parasitic lifestyle, which of these traits should evolve?
Increased # and size of reproductive structures, at the expense of almost all other internal structures
