Show:
Life's Origin and Evolution
Protists
The Land Plants
The Invertebrates
The Chordates
100
theory that states the universe began in an instant, when all matter and energy suddenly was distributed outward from a single point
What is the big bang model?
100
eukaryotic organisms that are not fungi, plants, or animals
What are protists?
100
spore-forming structure
What is a sporangium?
100
having body parts repeated around a central axis
What is radial symmetry?
100
animals that have a backbone
What are vertebrates?
200
any membrane-enclosed sac of molecules that capture energy, concentrates materials, engages in metabolism, and replicates itself.
What is a protocell?
200
single, unwalled cells with one or more flagella
What are flagellated protozoans?
200
a system of internal pipelines
What are vascular tissues?
200
having many parts paired
What is bilateral symmetry?
200
an internal skeleton
What is an endoskeleton?
300
in this era, forerunners of eukaryotic cells split from the archaean lineages
What is the Proterozoic Era?
300
a cell duplicates its DNA and organelles, then divides in half
What is binary fission?
300
a walled, immature gameotophyte that will give rise to sperm
What is a pollen grain?
300
aquatic animals with no symmetry, tissues, or organs
What are sponges?
300
hard, flattened structures that grow from and often cover the skin
What are scales?
400
an intimate, permanent ecological interaction in which one species lives and reproduces in the other's body to benefit of one or both
What is endosymbiosis?
400
single-celled protists with a calcium carbonate shell around their plasma membrane
What are foraminiferans?
400
develop into male gametophyes
What is a microspore?
400
an individual that produces both eggs and sperm
What is a hermaphrodite?
400
animals in which females nourish their offspring with milk they secrete from mammary glands
What are mammals?
500
1950s graduate's experiment that tested whether or not amino acids and other building blocks of life could have formed spontaneously on early Earth
What is the Stanley Miller experiment?
500
parasitic alveolates that spend part of their life inside of their hosts
What are apicomplexans?
500
refers to two or more species jointly evolving as a result of their close ecological interactions
What is coevolution?
500
a free-living, sexually immature stage in an animal life cycle
What is a larva?
500
the sum of all learned behavioral patterns transmitted among members of a group and between generations
What is Culture?