A species that is sensitive to environmental change and that can be monitored to determine the health of an ecosystem is a(n) ________
a. endangered species only
b. indicator species only
c. all of the choices
d. threatened species only
b
Biology & Microbiology
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Where in a diatom would you find its yellowish photosynthetic pigment?
A. in the plasma membrane B. in the cell wall C. in the cytoplasm D. in chloroplasts E. in the nucleus
Biology & Microbiology
Spiders and scorpions belong to the phylum containing the
A. annelids. B. cnidarians. C. arthropods. D. echinderms. E. mollusks.
Biology & Microbiology
Which organelle performs cellular respiration?
A) endoplasmic reticulum B) Golgi apparatus C) lysosome D) mitochondrion
Biology & Microbiology
Homeostasis is maintained using negative feedback loops. Which part of a negative feedback loop detects conditions?
A. effector B. sensor C. response D. stimulus E. integrating center
Biology & Microbiology