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
RoseWind [281]
3 years ago
10

Possible question and essays for gr 12 Life Scences​

Biology
1 answer:
love history [14]3 years ago
5 0

Answer:

Explanation:

Possible Essays for Life Science:

1. "Explain four management strategies to improve the quality of  drinking water. Uncle Two sources of water pollution and Two  effect of water pollution on human health. "

2. "Eutrophication is one of most important water quality problem  South Africa. Describe Eutrophication, what causes it and how it  affects water quality."

3. "Describe the significance of DNA replication and meiosis and how the foetus is  protected and nourished in the uterus."

4. "Describe how meiosis contribute to genetic variation and how

abnormal meiosis leaf to down syndrome and polyploidy. Also

describe advantages of polyploidy in agriculture. "

You might be interested in
Which amino acid has a side chain that can form hydrogen bonds with a suitable partner?
quester [9]
Amino acids that have the possibility of participating in hydrogen bonds with suitable partners are those that have hydrophilic polar side chains.
3 0
3 years ago
Which statement best describes the life cycle of plants such as ferns? Plants have a two-part life cycle, spending part of their
Gemiola [76]

The correct answer is that ferns have two part in their life cycle: Diploid phase and haploid phase

The life cycle of a fern has two parts: sporophyte stage and gametophyte stage. The gametophyte stage of ferns are haploid which releases gametes and the sporophyte stage are diploid that produces spores. This kind of life cycle is known as the "alternation of generation".




4 0
3 years ago
Read 2 more answers
In areas where the walls are frequently washed, conduit should be mounted with a ___ inch air space between the wall and the con
Over [174]

In areas where the walls are frequently washed, conduit should be mounted with a 1/4 inch air space between the wall and the conduit.

Conduits are the structures that are hollow and cylindrical like a pipe, channel or tube through which any material can pass. The material can be electrical wires, gases or even water. Therefore, the functions of conduits is to mediate the transport of materials from one place to another.

These conduits can be rigid or flexible depending upon their use and the material to be transported. Care should be taken when these conduits are embedded inside the wall that they are not very close and in contact with the wall otherwise the conduits may get damaged.

To know more about conduit, here

brainly.com/question/28239111

#SPJ4

7 0
9 months ago
The first organisms arose from non-living molecules found on early earth. Which theory best describes how
enyata [817]

Answer:

abiogenesis

Explanation:

a (not) biogenesis (coming from other life forms)

Biogenesis would mean that it's coming from other life forms,

Natural selection is a part of evolution (what is there to select?)

Variation is also a part of evolution (not related)

5 0
3 years ago
What consequence does higher altitude have on people?
Marta_Voda [28]

Depending on baseline oxygen saturation and the pathological condition of the lungs, risks associated with altitude exposure include profound hypoxemia, pulmonary hypertension, disordered ventilatory control, impaired respiratory muscle function, and sleep‐disordered breathing.

4 0
2 years ago
Other questions:
  • If the ecosystem is balanced, which populations should be the largest? Which should be the smallest?
    12·1 answer
  • How many chromatids <br> are in twenty duplicated chromosomes
    14·2 answers
  • Is the short haired cat in the p generation or hybrid
    15·2 answers
  • Other than improvements in hygiene, give two reasons for the low death rate from infectious diseases in modern hospitals.
    13·1 answer
  • Which term best describes a community in which people mostly grow crops?
    7·2 answers
  • Which of the following are photosynthetic autotrophs?
    5·1 answer
  • 2. Describe the three layers which ocean water is divided based on temperature.
    9·1 answer
  • PLEASE HELP!!!!! FIRST ANSWER GET BRAINIEST!!!!!
    11·2 answers
  • Among horses, sheep, cows, and pigs, which animal's reproductive cycle is most dissimilar to the others?
    8·1 answer
  • During this period, the uterus shrinks back to its original state in a process called ____________ .
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!