The niche of a species is the functional role of that species in the community that it belongs to. Species that have narrow niches (have very specific resource requirements) are said to be , while species that have broad niches (able to use a wide array of resources) are known as . A) generalists; specialists
B) specialists; generalists
C) widespread; restricted
D) r-selected species; K-selected species
E) Type 2 species; Type 3 species

Fan egg cell containing the (n+1) number of chromosomes combines with a sperm cell containing the (n) number of chromosomes, what is the result of this union? a) all future somatic cells of the organism will contain the (2n + 1) number of chromosomes. b) all future somatic cells of the organism will contain the (2n - 1) number of chromosomes. c) only certain somatic cells of the organism will contain the (2n + 1) number of chromosomes. d) all future somatic cells of the organism will contain the normal diploid number of chromosomes.

The fascicles of the deltoid are ; the fascicles of the pectoralis parallel; bipennate fusiform; unipennate multipennate; triangular bipennate; fusiform

Sequence how oxygen accumulated in the atmosphere and the effect it had on life by completing the flowchart