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
motikmotik
4 years ago
9

The first line of defense involves which structure(s)?

Biology
2 answers:
Airida [17]4 years ago
7 0

Answer: B / Skin

Explanation:It's the ansewr

kifflom [539]4 years ago
6 0

Answer:

Skin

Explanation:

You might be interested in
Which relationship is being shown in the graph
goblinko [34]

The correct answer is prey predator relationship.

The given graph possibly shows the prey predator relationship, in which the prey is shown in red and the predator is shown in blue. It is observed that the predator population generally remain less than the prey, in order to get food easily.

The prey predator relationship shows that if the population of the prey start increasing, then the population of the predator would also increase, as the predators have abundant of food. But when the population of the prey start decreasing, the predators start to decline due to the starvation.

4 0
4 years ago
Read 2 more answers
In 1831, Charles Darwin visited the Galapagos Islands While observing the giant land tortoises that lived on these islands, Darw
hammer [34]

Answer:

The answer is C!

Explanation:

Because i just had this on a test

6 0
3 years ago
Please help me 7th grade science
masha68 [24]

Answer:

5. B 6.D

Explanation:

If plants cant take in carbon because of deforestation then the carbon will just pollute the earth. Bacteria are known for putting nitrogen back into the system.

3 0
3 years ago
Why does parthenogenesis not occur in mammals?
OLEGan [10]

Answer:

Mammals. There are no known cases of naturally occurring mammalian parthenogenesis in the wild. This is because mammals have imprinted genetic regions, where either the maternal or the paternal chromosome is inactivated in the offspring in order for development to proceed normally.

Explanation:

have a good day

7 0
3 years ago
The biggest diference between active transporte and passive transport
Lemur [1.5K]
Active transport requires energy, passive transport does not require energy
5 0
4 years ago
Other questions:
  • Sexual reproduction amongst protozoa is done by _____.
    14·2 answers
  • Cells are the most basic structural and functional units of life. All living organisms are made up of one or more cells. All cel
    8·1 answer
  • Care sunt caracterele superioare ale antropodelor.URGENT.DAU COROANA.
    13·1 answer
  • Which statements describe the movement of blood through the heart? Select two options.
    14·2 answers
  • Which structure is found mainly in green plants in bacteria?
    10·2 answers
  • What CTSO might suit someone interested in animal care or farming?
    8·2 answers
  • Monocots and eudicots are so named because of differences in the number of leaves on the _______________.
    7·2 answers
  • What substances produce carbon dioxide and water and sunlight​
    14·1 answer
  • ross between individuals who are both heterozygous (carriers) for a recessive disease, such as albinism, you would like to deter
    13·1 answer
  • SELECT ALL THAT APPLY
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!