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
ArbitrLikvidat [17]
3 years ago
15

Explain two difficulties an ecologist might have in counting a population of migratory birds

Biology
1 answer:
kondor19780726 [428]3 years ago
5 0
Birds can always move around and counting birds can be kind of hard
You might be interested in
Help me with the second one. ASAP 30 POINTS AND I WILL GIVE BRANLISEST TO THE ONE WHO HELPED ME MORE
yanalaym [24]

Answer: Dogs are Biotic factors. They are usually domesticated and are house pets. Dogs are living creatures and need food and water to live. What is the abiotic factors of a dog? Abiotic factors are the nonliving parts of an organism’s habitat. These factors include sunlight, soil, temperature, oxygen, and water.

Explanation: Hope this helps :)

6 0
2 years ago
How do plant cells react when they are placed in an environment with a lower water concentration than inside of the cell? A. Pla
polet [3.4K]

plant cells lose water.

7 0
3 years ago
Read 2 more answers
A scientist is studying a radioactive element that has a half-life of 63 years. Choose the correct answers from the drop-down me
LekaFEV [45]

Answer:

It will take 63 years

In 189 years, one-eight of the sample will be left

By multiplying the number of half-life cycles

Explanation:

I just completed this assignment.

3 0
3 years ago
Read 2 more answers
____ is the process of water vapor turning back into liquid water, with the best example being those big, fluffy clouds floating
ankoles [38]

Answer:

Your answer is condensation.

7 0
3 years ago
Which of the following statements is not part of the cell theory? A) All living cells come frondivision of preexisting cells. B)
zzz [600]
B is not part of the cell theory; there are many types of cells that do not have cell walls, so the statement cannot even be generally true.
4 0
3 years ago
Other questions:
  • 4.what organism was darwin studying when he came up with the theory of evolution? and what did he notice about the organisms he
    7·1 answer
  • Some environmental factors are studied by the use of:
    11·1 answer
  • Question 22
    14·1 answer
  • Predict what would happen if a persons sweat glands didn’t produce sweat
    6·2 answers
  • Which best explains why viruses do not have special structures or enzymes that allow them to make the
    15·2 answers
  • What is the term for each step in the transfer of energy and matter within a food web?
    12·1 answer
  • Help please please please<br> :)
    14·1 answer
  • Suppose you wanted to determine whether you had adequately sampled the species richness of a given amphibian community. Which re
    13·1 answer
  • Metamorphic rocks is changed into igneous rock by
    10·2 answers
  • Evaluation of the pelvis in the rapid trauma assessment includes pressing on the symphysis pubis in which direction?
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!