Birds hatch out of their eggs looking like small versions of the adult. This is an example of
A) genetic dwarfism.
B) internal development.
C) indirect development.
D) direct development.
E) external development.
D
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Which heart valve is found on the right side of the heart?
a. vena cava valve b. aortic valve c. tricuspid valve d. bicuspid valve
A student is observing microorganisms in a sample of pond water. One organism of interest has an obvious nucleus, snall oval structures containing a green pigment, and does not appear to be motile. In which of the following groups would this microbe most likely be classified?
A. Eukaryotes (Fungi) B. Bacteria C. Eukaryotes (Algae) D. Eukaryotes (Protozoa) E. Archaea
Viruses have typical cellular structure like other living organisms.
Answer the following statement true (T) or false (F)
The bulk of a leaf consists of mesophyll, which is photosynthetic ____ with air spaces between cells
a. collenchyma b. parenchyma c. sclerenchyma d. phloem e. xylem