1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Bad White [126]
3 years ago
13

Which process is directly responsible for root growth in plants?

Biology
2 answers:
ivann1987 [24]3 years ago
5 0

Answer: Cell division.

Explanation: Cell division is responsible for the growth of roots in the plant. The growth in the roots of the plant is ultimately the growth of the whole plant.

Roots are very important as it helps in absorption of the nutrients and water from the soil for the growth and development of the whole plant.

The cell division in the plant body leads to the development of the roots, that is found in the soil providing the support to the plant to stand straight in the soil.

Ket [755]3 years ago
3 0
D, because cells create roots. B would work, but it is not directly responsible.
You might be interested in
HELP ASAP!!
Mandarinka [93]

Answer:

The organism selected based on sexual reproduction is tortoise and based on asexual reproduction is hydra. Both of them are explained in detail below with diagrams.

Explanation:

Tortoise: These are land dwelling reptiles and have a hard shell on their back to protect from predators. They can pull their necks inside for protection. They are different from turtles which as aquatic in nature. They mostly sleep at night and are active during day. These organisms prefer to stay isolated and are not comfortable in crowds.Tortoises have very long life span that between 80-150 years with the oldest one being 255 years.

Sexual reproduction- In most cases, females tend to be larger in size than males. They reproduce sexually by laying eggs at night. Their gametes are haploid in nature which when fused result in a diploid organism. The number of chromosome in a tortoise is 52.

The tortoise eggs can remain fertile till four years after fertilization. One single mating allows 30 eggs to be fertilized. Once the female finds the right environmental conditions, the eggs are laid.

Advantage of sexual mode of reproduction:

  • Offspring produced have <em>genetic variation</em>.
  • This genetic variation allows them to adapt well to the surrounding.
  • All the offspring don not die of a single disease because they are genetically varied.

Disadvantages: Fewer organisms are produced.

                          Gap between mating season.

Hydra is a fresh water organism belonging to class Cnidaria. It's body has a radial symmetry. The body contains stinging cells known as cnidocytes, which contain <em>neurotoxins</em>. These are released when faced by a predator. Its body is made up of two layers-epidermis and gastrodermis.

If a hydra is cut in half, both the cut parts regenerate into two new hydra. Their mode of reproduction is asexual through the process of budding. a

A new bud arises in some part of the body of hydra which matures and breaks off to form a new hydra. Most hydra are fixed or senile but some of them are free moving.

Advantages of asexual reproduction:

  • The population <em>multiplies</em> rapidly in favorable conditions.
  • Single parent is needed.
  • It's <em>faster</em> than sexual reproduction.

Disadvantages of asexual reproduction:

  • <em>Limited diversity</em>
  • Population becomes difficult to control.
  • <em>Negative mutation</em> continue through the cell lines as there is no mixing of gametes.

6 0
3 years ago
you are testing a new blood glucose monitor. every sample that you take gets a reading of 80. which of the following terms best
Sergio039 [100]

Answer:

the monitor is reliable but there is not enough info. to comment on validity

Explanation:

The monitor is consistent - which is reliability, but you can't be sure the results it is returning are correct based on the question, so validity can't be determined.

3 0
3 years ago
Carotenoids are often found in foods that are considered to have antioxidant properties in human nutrition. What related functio
LenaWriter [7]
<h3><u>Answer;</u></h3>

B. They protect against oxidative damage from excessive light energy

<h3>Explanation;</h3>
  • Some carotenoids seem to be function as photoprotectors.
  • These compounds absorb and dissipate excessive light energy that would otherwise damage chlorophyll or interact with oxygen, forming reactive oxidative molecules that are dangerous to the cell.
7 0
3 years ago
Where is the first place you should start when diagnosing a hardware
zepelin [54]

Answer:

Check the power supply

Explanation:

verified just got it right

7 0
3 years ago
Read 2 more answers
The first organisms to repopulate an area affected by a volcanic eruption are called
Katena32 [7]
Pioneer species, I think.
8 0
3 years ago
Other questions:
  • Math the terms to the definitions
    9·1 answer
  • The processes that transform inputs to outputs are what part of a system? A. the boundary B. the surroundings C. the components
    14·1 answer
  • URGENT!! I need this before tomorrow, please! How does the polar jet stream affect temperature and precipitation in North Americ
    6·1 answer
  • In two communities of similar size and age structure (A and B) there were outbreaks of viral illness (virus A in community A and
    14·1 answer
  • What is the relationship between an allele and a gene?
    11·2 answers
  • I needhelp with this plzzz
    13·1 answer
  • Which of the following is not a phenotype?
    14·1 answer
  • Please help me!!!
    8·2 answers
  • Explain the role of the cell membrane during passive transport and active transport
    10·1 answer
  • the nuclear envelope fragments, the centrosomes move apart from one another, and the chromosomes begin to move during which phas
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!