Answer:
The correct answer would be completely by mitosis.
Mitosis is a type of cell division in which a parent cell divides into two daughter cells each with the same type and number of chromosomes as present in the parent cell.
Before cell division, the cell undergoes growth and replicates or doubles its genome.
The process of mitosis is usually divided into four phases prophase, metaphase, anaphase, and telophase.
It helps in the growth and repair of the cells or tissues in multi-cellular organisms.
Initially, a haploid animal grows by mitosis and then by meiosis. The correct option is 1.
In their lifecycle, haploid animals alternate between haploid and diploid stages.
A haploid animal grows at first through mitosis, in which the haploid cells divide to become more numerous. By creating exact replicas of the initial haploid cells, mitosis enables the organism to grow and develop.
After beginning to grow, the haploidanimal goes through meiosis, a particular kind of cell division, to create gametes (eggs or sperm). Meiosis causes the number of chromosomes to be cut in half, resulting in the production of haploid cells from diploid cells.
These haploid cells act as the reproductivecells that join together during fertilization to transform the ensuing zygote back into a diploid organism.
Thus, the correct option is 1.
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Your question seems incomplete, the probable complete question is:
By what reproductive mechanism does a haploid animal grow?
Answer: observation
Explanation: scientific method is the process which scientists use to provide an accurate and reliable explanation to a phenomenon.
It usually involves the observation and description of a occurrence,the formulation of hypothesis to explain the occurrence and then experiments to test the accuracy of the hypothesis.the experiments may prove the hypothesis right or prove it wrong,in which case the hypothesis may be modified or discarded.
In this case the farmer has noticed the yields in his crops and he might bring an explanation(hypothesis) that seems reasonable to him and will have to test the hypothesis to verify it.
1. C) Both parents contributed a recessive allele
The offspring is homozygous for the recessive allele, which means it has two copies of it. Because each parent contributes one copy of the gene, this means that both parents contributed the recessive allele.
2. D) The offspring can be tall or short
The first cross between TT and tt will yield an F1 generation with the genotype Tt. When this generation is self-pollinated, the cross may result in the following genotypes:
TT, Tt, tt
Which means that the offspring can be tall or short.
Answer: A kid or a billy
Answer:
Explanation:
{Auto-self, troph-food}
An autotroph is an organism that is able to produce its own food, which are usually complex organic substances from simple inorganic substances.
Unlike heterotrophs, they are not dependent on other organisms for their source of energy.
In the flow of energy in an ecosystem, they are commonly referred to as producers because other organisms, mostly animals are dependent on them for energy. This autotrophic ability is a characteristics of most plants, green algae and photosynthetic bacteria.
Autotrophs are in two category viz;
1. Photoautotrophs; which use light as a source of energy to power the synthesis of organic substances in a process called photosynthesis. These organisms possess pigments that makes them capable to capture the photons of light. Examples are green plants, green algae etc.
2. Chemoautotrophs, which use chemical inorganic compounds e.g Hydrogen sulfide, ammonia etc. as a source of energy to synthesize their food. Examples include archaebacteria
Answer: True
Explanation: After a while the muscles that control your pupil size weakens which leads them to be less responsive to changes in light. Which is why older people need more light go read than a younger person does.
With age, the muscles in the iris, which control the pupil size, tend to be less responsive,leading to smaller pupils. This is a normal age-related change, but sudden drastic changes in vision should be checked by a healthcare provider.
The statement that older people tend to have smaller pupils is true. Age-related changes in the human body include alterations in the eyes and the size of the pupils especially. With age, the muscles in the iris that control the size of the pupil become less responsive, leading to smaller pupils. This can limit the amount of light that can enter the eye, thus affecting vision especially in low-light conditions.
Explanation in 100 words: The iris is a circular band of muscle that controls the size of the pupil. Aging often causes these muscles to lose some of their strength and flexibility, causing the size of the pupils to decrease. Hence, it is correct to state that older individuals usually have smaller pupils than younger ones.
In conclusion, it's important to understand that most age-related eye changes are normal and do not signify a disease. However, if drastic changes in vision occur, a healthcare provider should be consulted.
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