What is not a trace mineral
What will be an ideal response?
calcium
Biology & Microbiology
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The organ system that protects the underlying tissues from abrasion, prevents dehydration, and aids in regulating body temperature.
A) Muscular
G) Respiratory
B) Reproductive
H) Skeletal
C) Digestive
I) Nervous
D) Cardiovascular
J) Endocrine
E) Integumentary
K) Lymphatic
F) Urinary
Biology & Microbiology
The following phylum is characterized by having a hydrostatic skeleton:
a. Mollusca. b. Annelida. c. Cnidaria. d. Porifera. e. Platyhelminthes.
Biology & Microbiology
The initial size of a population _____________ affect the carrying capacity of the environment
a. does not b. does
Biology & Microbiology
All populations of all species in a specified area __________
Fill in the blank(s) with the appropriate word(s).
Biology & Microbiology