BIOSYSTEMATICS Flashcards
Simple cells with DNA strands floating in a capsule
Prokaryotes
Complex cells that have compartments with special jobs and DNA is a nucleus
Eukaryotes
Provide records of life forms that once existed
Fossils
Uses mutation rate of biomolecules to deduce the time when two life forms diverged
Molecular clocks
A record of life and events on Earth
Geologic Time Scale
Largest unit of time
Eon
A unit of time shorter than Eon
Era
Give the proper arrangement of a time scale (from largest unit to smallest)(Capital letters)
EON
ERA
PERIOD
EPOCH
Ancient Eon
Archea
Early life (4,500 - 2500 mya
Proterozoic
Early life (2500 - 540 mya
Proterozoic
Ancient life (540-248 mya
Paleozoic
Middle life (248-65 mya
Mesozoic
Recent life (65 mya to present
Cenozoic
Most recent epoch
Halocene
When did life begin?
3.8 billion year ago
Where did life first developed?
Undersea alkaline vents
Invasion of life on land began….
1.5 billion years ago
Layers of cyanobacteria trapped in sediments
Stromatolites
Bacteria responsible for the production of oxygen
Photosynthetic bacteria
One of the first Eukaryotic cells
Acritarch
A coiled tube life form that appeared in the sea
A. Gypania
B. Gyrania
C. Colania
D. Grypania
D
Algae evolved sexual reproduction approximately…
A. 1300 mya
B. 1299 mya
C. 1200 mya
D. 2300 mya
c
A red algae, which fossil was found in Canadian rocks
Bangiomorpha
This allowed life forms to juggle genes and increase speed of evolution
Sex
Strange organisms from the dawn of animal life
Ediacara fauna
Fauna a Latin word that represents
Animals
Flora a Latin word that represents
Plants
2 meter long sea monster
A. Galomanacrus
B. Anomalocaris
C. Jolanicuadin
D. Gigantirindus
B
This organisms made tracks in ancient coastal dunes around 500 mya
Eurypterids
Worms and primitive plants started to colonize the land around…
A. 460
B. 450
C. 440
D. 430
A
Most primitive among living plants
Liverworts
Evidence that land animals arrived
Burrow systems
Fist animals that came to land was carnivores or herbivores?
Carnivores
A time capsule in scotland made by eruption of volcanic geyser (ala Nico neh)
A. Rhynie Chert
B. Brybnie Chert
C. Diongros Spring
D. Scotland Canyon
A
Forests were born around…
380 mya
Which came first spores or seeds?
Spores
1st amphibians evolved about…
380 mya
An early amphibian fossil that evolved from lungfish
Ichthyostega
Fresh water fish that can breathe air for limited periods
Lungfish
Which of the following did the ancestors of amphibians did not undergo? A. Limbs instead of fins B. Lungs instead of gills C. Changes in skin texture D. Changes of eyes and ears
C.
True or false do reptiles lay eggs?
True
Coal layers are remains of… What type of forest
Tropical rainforest
Ancient rainforests was inhabited by giant sized dragonflies and millipedes. True or false?
True
The largest among the "Big 5" mass extinctions was responsible in the extinction of how many percentage of sea species? A. 98 B. 96 C. 93 D. 95
D
Dinosaur means…
Terrible lizard
A ferocious meat eating dinosaur
A. Triceratops
B. Stegosaurus
C. Komodo Dragon
D. T-Rex
D
Is one of the earliest known birds
Archaeopteryx
A small feathered dinosaur A. Microbirdie B. Microraptor C. Chickosaurus D. Micronatrus
B
Birds evolved from dinosaurs. True or false?
True
Mammals evolved around the same time as the dinosaurs around…
A. 220 mya
B. 230 mya
C. 234 mYa
D. 300 mya
A
Animals that are active at night
Nocturnal
The dinosaur killing asteroid hit the earth around
65 mya
Period called age of fishes
Devonian
The crater of the asteroid that killed the dinosaurs is found in what country?
Mexico
How many large extinction events happened
5
How many eons are there?
2
Mya means…
Million years ago
First life forms
Bacteria
Which of these is not an advantage of having seeds?
A. Helps germination of plants to survive drought
B. Helps plants offspring to stay away from the ocean
B
