Mycorrhiza promotes plant growth by?
absorbing inorganic ions from the soil
protecting it from infection
helping it to utilize atmospheric nitrogen
serving as a growth regulator
Correct answer is A
Mycorrhizal fungi allow plants to draw more nutrients and water from the soil.
They also increase plant tolerance to different environmental stresses.
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.