Stephen J. Gould and Niles Eldredge proposed that most morphological change happens at speciation events, and that most species show stasis (little or no morphological change) during most of their existence. This is the theory of ________
[two words] Fill in the blank(s) with correct word
punctuated equilibrium
You might also like to view...
How do airborne pollutants affect plant growth, and why?
a. They increase growth because particulates provide an additional carbon source b. They increase growth because the slight dimming of sunshine reduces water loss. c. They reduce growth because the chemicals cause stomata to close or clog them permanently. d. They reduce growth because polluted air has lower carbon dioxide levels.
Answer the following statements true (T) or false (F)
1.The zebra mussel and the gypsy moth both have reduced biodiversity in North America. 2.One important conservation tool used to restore native populations is to set aside an area and protect it from overexploitation, invasive species, and habitat destruction. 3.After nearing extinction in the 1960s, the bald eagle population is now about 10,000. 4.The greatest threat to the endangered great spotted kiwi of New Zealand is introduced predators. 5.Suspended matter that floats in the air, such as ash, soot, mold spores, and road dust, is known as particulates.
The only cytoplasmic organelles in animal cells aside from nuclei that contain DNA are ____________________. Fill in the blank(s) with the appropriate word(s)
The organelle that extracts energy in food to produce ATP energy is the
A) chloroplast. B) mitochondrion. C) nucleus. D) cytoplasm. E) ribosome.