Unit 5 (5.2) Vocabulary Exam

a period of rapid growth in life's diversity from 540 to 485 million years ago

the large supercontinent at the end of the Paleozoic Era consisting of all the land on Earth, including all seven continents and other landmasses

Computers and software continue to change and improve over time. We can say that information technology is rapidly evolving. The biological ​ (a)   is a scientific theory that states that new species of life develop from a common ancestor over time. This is the result of a process called ​ (b)   .

The Theory shows the ​ (c)   of organisms from single cell to multicell complex organisms. The theory is based on findings from fossil records, skeletal structures of vertebrates, molecular similarities and differences between organisms, comparative embryology, and ​ (d)   .

• Theory of Evolution
• natural selection
• evolution
• evolution of bacteria
• Theory of change
• Guided selection

Humans have ​ (a)   because a plane down the center of the organism yields ​ (b)   left and a right sides. Jellyfish have ​ (c)   , meaning there is more than one plane that yields ​ (d)   .

• bilateral symmetry
• similar
• radial symmetry
• mirror images

A tropical rainforest is an area of high ​ (a)   .Coral reefs have many species. They have a ​ (b)   . The increasing level of pollution ​ (c)   ​ (d)   of the ecosystem.

• biodiversity
• high biodiversity
• degrades
• the biodiversity
• improves
• low Biodiversity

An _________ is a complex community that includes a group of biotic and abiotic components interacting with each other.

___________ is the process by which the plasma membrane of a cell surrounds and takes in material. White blood cells engulf harmful cells through ___________. Unicellular organisms such as amoeba absorb their food through ___________. Three types of ___________ include phagocytosis, pinocytosis, and receptor-aided ___________.

occurs when many existing species are wiped out and new ones quickly evolve to fill the niches they have vacated.

An ____________ ____ ________ is a chart that uses similar features and genetic similarities to map out evolutionary relationships.

​ (a)   are measured as the number of extinctions ​ (b)   , or the number of ​ (c)   . Extinction rates today maybe a thousand times higher than the ​ (d)  

• Extinction rates
• per unit of time
• extinctions per million species years
• background extinction rate.
• Episodic extinction
• animal group