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
Look at the three bottles. What evidence is there that a chemical reaction took place?
gregori [183]

Answer:

color changed.

and the temperature changed.

Explanation:

8 0
2 years ago
What eats other organisms or make their own food?<br><br> Bacteria<br> Plants<br> Organisms
vodka [1.7K]

Answer:

plants make their own food with photosynthesis

Carnivore and Omnivore organisms eat other organisms

Explanation:

I tried to explain as best as I could I dont see your direct question I hope I helped

7 0
3 years ago
How can selective breeding increase biodiversity within a species?
Softa [21]
Inbreeding is increased due to the small number of individuals in the population. Selective breeding; > Humans can cause a decrease in genetic diversity too. ... > Selective breeding involves choosing which animals or plants to breed so that they have certain benefits.
6 0
3 years ago
Match each description with the correct form of energy.
melamori03 [73]

chemical energy = 3

mechanical energy = 5

heat = 4

gravitational energy = 1

light = 6

nuclear energy = 2

I had the same question, and this is what I did.

7 0
3 years ago
How do different climate zones respond to severe weather?
baherus [9]

im mirándonos a través de su ventana beep boop beep

6 0
3 years ago
Read 2 more answers
Other questions:
  • Mutations in certain genes of bacteria cause them to be resistant to powerful antibiotics. What type of mutation is this for the
    8·2 answers
  • Visible sunspots vary in number according to a cycle of how many years?
    7·2 answers
  • Researchers performed an experiment to investigate DNA replication. First, they synthesized radioactively-labeled nucleotides, w
    5·2 answers
  • DNA sequences can act as "tape measures of evolution". Some highly conserved regions of the human genome (similar to comparable
    12·2 answers
  • Which best describes the function of the part labeled b?
    5·1 answer
  • Give me half a tanker of iron," he joked, "and I'll give you the next ice age." Explain this quote from John Martin's original a
    11·1 answer
  • Now make a list of questions to guide you in your research. You should be able to answer these questions in your paper: What cha
    12·1 answer
  • - 7th Grade Work -
    15·2 answers
  • Please Help! Will give Brainliest!!!<br><br>​
    11·1 answer
  • What cell feature is responsible for storing water?
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!