Why is coevolution between plants and animals probably more important in angiosperms than
gymnosperms?
What will be an ideal response?
The pollen of gymnosperms is dispersed by wind while the pollen of many, but not all, angiosperms is
dispersed by animals. Therefore, angiosperms would have coevolved with pollinators. The fact that
angiosperms have distinctive flowers, scents, and sugary nectar to attract and reward animals, and that
plant-pollinator relationships are often very specific, is evidence of coevolution.
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The complete replacement of one type of organ with another is called
a. homeotic gene replacement d. modularity b. evo-devo e. punctuated equilibrium c. homoeosis
The heart condition caused by a Streptococcus infection is ____
a. endocarditis b. tachycardia c. myocarditis d. “blue babies” e. rheumatic fever
Evidence shows that the earliest life may have existed how long ago?
a. 2 billion years ago b. 3.5 billion years ago c. 1.3 billion years ago
d. 630 million years ago e. 250 million years ago
Which of the following pairs is MISMATCHED?
A. Diplomonadida; two nuclei B. Rhizaria; pseudopodia C. Parabasala; two mitochondria D. Euglenids; flagellum E. Ciliophora; cilia