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Korvikt [17]
3 years ago
6

Describe the defense mechanisms evolved by plants to reduce predation by herbivores.

Biology
1 answer:
Ganezh [65]3 years ago
4 0

Answer:

There are two types of defense mechanism of plants against herbivorous

1- Mechanical defense

2- Chemical defense  

Explanation:

Mechanical defense is a first line defense in which plant makes barriers which is made up of wax cutical and bark and they form spines on leaves, thorns on branches which can helps in resistance and physical damage to animals.

Chemical Defense is a type in which plant produces some metabolites, toxins and chemicals which is very toxic to animals and helps in defense example alkaloids.

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What adaptations inherited from our primate ancestors enable humans to make and use tools?
lyudmila [28]

Answer:

The increase in cranial or cerebral capacity inherited from the primate ancestors is the characteristic that allows the creation and use of tools.

Explanation:

The evolution of the human brain allows the creation of more complex tools.

Homo habilis was the first hominid to make tools. its size was similar to the australopithecus but its brain was twice with a cranial capacity of 650 cc. These tools were made of stone and were used by striking against each other.

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