The hypothalamus and the anterior pituitary communicate via a portal system.
Answer the following statement true (T) or false (F)
True
A portal system, consisting of two capillary systems connected by a vein, lies between the hypothalamus and the anterior pituitary.
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The letter “A” in the above figure represents which
teeth? a. incisors b. molars c. canines d. premolars e. none of these
Individuals with the genotype Gg Hh Ii Jj will produce how many different kinds of gametes?
a. 2 b. 4 c. 6 d. 8 e. 16
The climax community ____
a. is formed by species with the greatest range of environmental tolerance b. is the most common community found in an area c. changes over time d. is well adapted to the climate and persists until the climate changes e. is seasonal
Answer the following questions true (T) or false (F)
1. Competitive exclusion of native organisms is a frequent result of the introduction, by humans, of non-native organisms to an environment. 2. Competition among species may lead to resource partitioning in an ecosystem. 3. Kudzu replacing native plants is a type of predation.