The answer is c for more information there is this website ---->>> http://countrystudies.us/united-states/geography-20.htm
Light energy i think?????
Answer:
c. bivalents.
Explanation:
In Meiosis a bivalents are formed during the first stage of meiosis which is the prophase. The bivalent consist of a paired chromosome and four chromatids i.e two chromosomes in a tetrad. one chromosome comes from each parent.
In mitosis, a bivalent is not formed. There is the presence of chromatids, homologs, centromeres and spindles during mitosis and meiosis.
Answer:
Habituation.
Explanation:
Habituation may be defined as a type of non associative learning. This type of learning reduces the innate response of an individual towards the repeated or prolonged time of the stimulation.
The frog first respond to the tree branches swaying in the wind. After some time the frog does not respond because of the prolonged or repeated stimulus of the environment. Hence, frog shows the lack of response due to habituation.
D. a zygote forms when a sperm fertilizes an egg cell