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Many spiders are useful because they help ecosystems by keeping insect ....... low and balanced.
Question 1:
Many spiders are useful because they help ecosystems by keeping insect ....... low and balanced.
A.
scores
B.
digits
C.
populations
D.
corrections
These questions are from this test. Would you like to take a practice test?
Creepy Spiders: Vocabulary Practice | B2 – Upper-Intermediate
10 minutes
10 questions
Do test
Some questions from the same exam
Spiders are a member of the arachnid family and they all have eight ........
Their bodies consist of two parts: the head and ........ This latter part is also called a stomach in humans.
Spiders molt on a regular basis. This means they ....... old skin and grow back new skin.
Some spiders, like Black Widows, are poisonous because they are able to excrete ....... or poison into other*^*animals.
Most spiders ....... or weave spider webs.
They use webs to ....... and capture prey, such as insects, in them. Many insects get caught in spider webs.
Many spiders inject poison into their prey with their ........ These are needle-like teeth that contain poisonous*^*liquids.
Spiders use ....... to weave their webs. This substance is a milky-type liquid that is released from a gland and*^*changes into hair-like strands when it comes into contact with the air.
Many spiders are useful because they help ecosystems by keeping insect ....... low and balanced.
Spiders use poison to ....... prey, like insects, when needed. This means the poison stuns and freezes*^*movement. Therefore, insects are not able to move once spiders have injected poison into them.*^*
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