Answer:
Avoid technical jargon as much as possible and use interesting metaphors or stories
Answer:
When homologous chromosomes form pairs during prophase I of meiosis I, crossing-over can occur. Crossing-over is the exchange of genetic material between homologous chromosomes. ... It results in gametes that have unique combinations of chromosomes. In sexual reproduction, two gametes unite to produce an offspring.
Explanation:
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.
Answer: D. adaptations that organisms make to the environment during their lifetimes.
Adaptation is a process in which changes occurs in an organism so as to make it better suited for the environment. It is the result of natural selection. In adaptation the traits of an organism gets modified by the process of natural selection which results in evolution of an organism.
Answer:
B
Explanation:
the quality of air will help identify any pollutants in the air.
