Cenozoic
What will be an ideal response?
monkey like primates first appeared
significant extinction of mammals occurred during this era
modern angiosperms first appeared during this era
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The dominant stage in the life cycle of tracheophyte plants is the
A. epiphyte generation. B. sporophyte generation. C. spore generation. D. gametophyte generation. E. angiosperm generation.
Today, the use of deep sea submersibles like ________ allows marine scientists to collect samples and observe the deepest habitats in the ocean
a. Sea Explorer b. Alvin c. Calvin d. Alistair
Regions of a stem that give rise to new shoots or roots are called ____
a. ground tissue b. dermal tissue c. cortex cells d. internodes e. nodes
Which of the following is characteristic of the developmental pattern referred to as mosaic
development? a. The cells of the adult are very different from each other. b. The fate of adult cells is predetermined in embryonic founder cells. c. Adult cells are richly interspersed with proteins. d. Embryonic cells have a wide range of possible developmental patterns. e. Embryos have a wide range of morphologies, but all look identical as adults.