Question

A disadvantage to the green revolution is that plant yields are generally similar to those with other methods of agriculture unless substantial amounts of commercial inorganic fertilizers are applied.

True

False

It is possible to use natural parasites to control pest species.

True

False

A K-selected species usually has a population size that is ____.

a.
variable, with boom and bust cycles

b.
unpredictable at any particular time

c.
unaffected by changes in limiting factors

d.
very stable but very low

e.
close to its carrying capacity

Ecological succession is generally a slow process.

True

False

What is the leading cause of death worldwide for people ages 15–49?

a.
Influenza

b.
E. coli infection

c.
AIDS

d.
Hepatitis

e.
Malaria

Answer 1

given in explanation

Step-by-step explanation:

1) false

in green revolution the use of high yielding crops were used which were pest resistant.

2) true

it is true that the parasites can be used to control pest species as there are many biological processes which is used to do it.

3) option d) i.e very stable but very low is right

K-selected species have longer life span and there offspring are also very less i.e they are stable and low.

4) true

because in ecological succession the change from original community being disturbed by the passage of time very gradually.

5) AIDS

AIDS is the leading cause of death world wide for people ages between 15 to 49.