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.
Out of the following given choices;
15
7
24
95
The answer is 95%. The biggest contributors of this percentage are developing countries that do not have proper waste disposal mechanisms such as well structured sewer systems. It is estimated that 70% of industrial wastes in developing countries are disposed off untreated into waters where they end up in oceans through rain wash.
<span><span>combine to form traits
Chromosomes
</span>Genes are responsible for inherited traits. They are units of coded DNA which are located in a specific place on a chromosome. Genes are the basic unit of heredity, both physical and functional. Genes vary in size in humans, it comes in a few hundred DNA bases to 2 million more. It has been estimated by the Human Genome Project that humans have 20, 000 and 25, 000 genes in between.<span>
</span></span>
It contains mostly cone photo-receptors <span />
