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
katrin2010 [14]
3 years ago
7

*

Biology
1 answer:
Trava [24]3 years ago
5 0

Answer:

They use a hard shell, but not hard enough though because we humans can get through them hehehe

You might be interested in
What is the term for the non-living parts of a community?
alexira [117]

Answer:

I think it's inanimate (viewpoint)

8 0
3 years ago
Read 2 more answers
How to zoos affect the nitrogen cycle
SpyIntel [72]
<span>As humans change the way we live on the planet, the way that nitrogen moves around the Earth also changes. Nitrogen atoms may seem small enough to be easily overlooked. We look right through the ones in the air, do we not? Yet recent changes in the nitrogen cycle are causing a very noticeable effect on natural environments and human health. Lakes are clogged with aquatic weeds. Dead zones have formed in areas of the oceans where animals can not survive. Air pollutants that contain nitrogen are decreasing air quality and greenhouse gases that contain nitrogen are becoming more common.</span>
5 0
3 years ago
What is the single most important factor that defines desert biomes? Why are deserts divided into different types?
irinina [24]
Important factor defining the desert biomes is its tendency to lose water by evaporation, and this potential for water loss exceeds the annual rainfall and defines what organism can live in there.
7 0
3 years ago
Read 2 more answers
Which of the following statements characterizes an excitatory neuron?
Makovka662 [10]

It sends an impulse back to the cell body of a neuron

5 0
3 years ago
depending on the environment the plant is in, more or less gas may be produced. suggest a method for measuring the rate of gas p
makkiz [27]

Answer: The correct method would be - to collect the gas in an inverted graduated cylinder. Explanation: Place the aquatic plant under the mouth of the graduated cylinder and gather the gas by the water displacement that is delivered by the cycle of photosynthesis. At that point measure, the volume of gas gathered at different times. An individual could consider the impact of temperature, the measure of light, and the accessibility of supplements as components that may influence the pace of gas creation.

6 0
2 years ago
Other questions:
  • Which condition feeds a tropical storm as it develops into a hurricane? A. heat and moisture B. cool temperatures and rain C. hi
    14·2 answers
  • Non-living factors in an ecosystem are
    5·2 answers
  • Which is not a factor that affects the rate of diffusion
    5·1 answer
  • Which of the following is not an activity promoted through enviornmental activism
    15·1 answer
  • Why is atmospheric pressure so important for weather forecasting?​
    6·1 answer
  • Rain forests cover just 6 percent of the Earth’s land surface, yet they contain _____ percent of Earth’s species. 30 60 70 40
    6·2 answers
  • Where is the ozone found? Why is it important?
    10·2 answers
  • How might a population crash be related to resource availability in the environment or the carrying capacity of the ecosystem?
    7·2 answers
  • Can someone help w this for brainliest
    11·2 answers
  • ________is when the kidneys produce too much hydrogen or retain too much hydrogen which leads to an increase in carbonic acid pr
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!