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
tatuchka [14]
3 years ago
7

Why are cacti green and why do they need needles

Biology
1 answer:
Arturiano [62]3 years ago
7 0

Answer:

The needle-like leaves act as a self-defense mechanism that protects the plant from predators. The stem of the cactus plant is swollen and contain numerous collapsible water-storage cells that store water for a relatively long period. The stem is green and performs photosynthesis.

Explanation:

You might be interested in
What organism belongs to the Prokaryotic domain of life and it comes in three different
Morgarella [4.7K]

Answer:

eubacteria

Explanation:

I took the quiz :)

5 0
2 years ago
DefineT Cell receptor
Delicious77 [7]
T cells helps the body fight discease in the body
7 0
3 years ago
Read 2 more answers
There are three phases in an action potential. they are __________.
luda_lava [24]
The three stages of Action Potential are:
1. depolarization- Na+ channels open up inside of the membrane and becomes more positive than the RMP.
2. repolarization- The Na+ channels inactivating and K+ channels opening AP spike stops rising to which the membrane returns to RMP.
3. hyperpolarization- A few of the <span>K+ channels remain open and the Na+ channels reset inside of membrane becomes more negative than RMP.

Hope this helps!
xo</span>
3 0
3 years ago
The twisted ladder shape of dna is a result of the covalently bonded building blocks called
FinnZ [79.3K]

Answer: Nucleotides

Nucleotides is the correct answer.

3 0
4 years ago
Explain the meaning of excretion​
san4es73 [151]
The process by which metabolic waste is eliminated from an organism.
5 0
3 years ago
Other questions:
  • What is the first structure to prevent water loss in the leaf called? A. cuticle B. stomata C. epidermis D. mesophyll
    7·2 answers
  • The question "Is the material well researched?" helps evaluate what about a Web resource?
    11·2 answers
  • In this simple food chain, the organism that converts solar energy into usable chemical energy is missing. That would be the
    9·2 answers
  • Why bother with the control plants if they are not going to be sprayed with gibberellic acid
    13·1 answer
  • How do I write a hypothesis in "If...then..." format?
    8·1 answer
  • Which of these does not have a function of support or protection in a cell? Cell Membrane, Lysosome, Cell Wall, Cytoplasm
    15·2 answers
  • Which of the following are crucial to maintaining the balance of<br> the ecosystem?
    5·1 answer
  • Type the correct answer in the box. Spell all words correctly. What is the name of this ocean? The blank Ocean has the deepest d
    11·1 answer
  • 8. X= 36 x 12 of 18<br>9. X = (25 x 3) = 15<br>10. X = 12 x 14 of 16​
    12·1 answer
  • In a lipid bilayer the tails face each other within the bilayer and form a region that
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!