Mae courtship displays one bird species are only recognized by females of the species in fire flies, males flash to attract females. each species has a different flashing pattern. this is probably an example of....
Under the biological species concept, the main criterion for identifying a species is...
Which of the following is NOT true concerning Lamarck's theory of inheritance of acquired chararistics?
Nature selects the best adapted individuals to survive and reproduce.
What is the function of a fruit?
it helps ensure seed dispersal from the parent plant.
Which of the following plants produces sperms that swim to the egg?
in a microrrhizal relationship a plant root has a mutually beneficial relationship
a fungus that helps obtain minerals from soil
Which of the following is involved in water movement in the plant?
presence of hydration bond, attraction of water molecules, diffusion, the evaporation of water through the stomata
Which of the following would you not use to identify a plant as a dicot?
The amount of water and nutrients that enter a plant root is regulated by the...
process by which individuals that are better suited to their environment survive and reproduce most successfully; also called survival of the fittest
English naturalist.Natural Selection (1859) set forth his theory of evolution
Biologist have found numerous species of honeycreepers on various hawaiian islands all apparently descended from a single ancestor species
Example of postsygotic reproductive barrier
hybrid offspring of two species of birds always die before reproducing.
a Small is isolated population is more likely to undergo separation than a large one because of a small population
Mass extinction that occurred in the past
were followed by diversification by the survivors
Glycolysis is the only metabolic pathway common to nearly all organisms to scientist this suggests that...
first appeared early in the history of life.
angiosperms are different from all other plants because they have
The person credited with being the co-discoverer of the theory of natural selection was...
Which rose first?
Mineral uptake in plants occur by way of
Extensions of root epidermis used to increase absorption are called...
The closest relatives of charophytes, a group of green algae, are the...
Which environment would be most likely to produce trees without annual rains?
Tropical Rain Forrests
The waxy covering of the leaf is the...
"seasonal", "Daily" and "Monthly" all describe isolation that can be termed
This statement is not correct...
Gynosperms are the simplest vascular plants
Ferns are classified as ________ plants
seedless vascular plants
the evolution of the cuticle in plants was a key adaptation to terrestrial living because it
helped the plant to avoid dying out
which group of plant lacks a vascular system?
Which is only found in only in the vascular plants?
Growth around the plants periphery, causing it to increase in diameter is known as _______ growth?
The number one cause of tropical deforestation worldwide is?