A food chain always begins with a
consumer
decomposer
producer
primary consumer
Correct answer is C
No explanation has been provided for this answer.
lll
ll
l
IV
Correct answer is D
Ameoba and paramecium are examples of Protozoa.
An Ameoba gets rid of excess water that enters its cell by using a Contractile Vacoule.
The part of the human gut that has an acidic content is the?
stomach
duodenum
ileum
colon
Correct answer is A
The stomach is very acidic, with a pH of 3.5 or below, so it can break down food.
oxidation
denitrification
reduction
phosphorylation
Correct answer is A
In biochemistry, chemosynthesis is the biological conversion of one or more carbon molecules (usually carbon dioxide or methane) and nutrients into organic matter using the oxidation of inorganic (e.g. hydrogen gas, hydrogen sulfide) or methane as a source of energy, rather than sunlight, as in photosynthesis.
In the male reproductive system of a mammal, sperm is stored in the?
vas deferens
urethra
epididymis
seminiferous tubules
Correct answer is C
No explanation has been provided for this answer.