Examination of the amber nuggets on Hispaniola reveals:
A. similar ecological relationships observed
on Hispaniola today.
B. an abundance of mammal fossils.
C. a shortage of insect fossils.
D. that every one of the fossilized species are
still found on Hispaniola today.
E. that none of the insect fossils resemble
existing species on Hispaniola today.
A
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Both gymnosperms and angiosperms form seeds, which can travel over long distances (either via wind or water). Which of the following are benefits of seed production and dispersal? Select all correct choices
A. Seeds can introduce offspring into environments with ample light. B. Seeds can introduce offspring into pathogen-free environments. C. Seeds can introduce offspring into nutrient -rich environments.
Sea urchins living in the rocky intertidal zone use the following method to overcome wave shock:
a. creating burrows in which they live. b. having a low profile. c. using spines to dissipate the energy of the wave. d. all of the above
Areas with upwelling support the greatest biomass of plankton
Indicate whether the statement is true or false
What is the dependent variable in this figure?
A. rate of carbon dioxide production
B. temperature
C. glucose production
D. amount of pollen collected
E. rate of oxygen production