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
yaroslaw [1]
3 years ago
15

Early one spring, a group of bird-watchers counted 30 different species of birds in a tract of forest. In the early spring two y

ears later, the bird-watchers counted 15 species in the same area. Which statement best summarizes this situation?
Birds follow different migratory paths each year.

The forest shows a decrease in biodiversity.

Human beings disrupt the presence of animals in ecosystems.

It is important to study living things to better understand the earth
Biology
1 answer:
Gemiola [76]3 years ago
5 0
The forest shows a decrease in biodiversity
You might be interested in
Why are digestive enzymes in cell enclosed in a membrane-bound organelle
vodomira [7]
The digestive enzymes can only recognize the structure of the substrate but can not recognize whether it is inside cell or from outside. So if there is no membrane, the enzyme will digest the structure of its own.
5 0
3 years ago
Where in the neuron is an action potential initially generated?
Stella [2.4K]

Answer:

Explanation:

Terms in this set (15) Where in the neuron is an action potential initially generated? Axon hillock. this region (first part of the axon) receives local signals (graded potentials) from the soma and dendrites and has a high concentration of voltage-gated Na+ channels.

7 0
3 years ago
State how the phylum Chordata differs from other animal phyla?
bekas [8.4K]
Phylum chordata differs from other animal phyla because it contains a notochord , dorsal, hollow nerve cord, and a pharyngeal.
7 0
3 years ago
Select all that apply.
Troyanec [42]

Answer:

o hybridization thhtyhht

7 0
3 years ago
Read 2 more answers
What is inside the cells​
mart [117]

Answer:

Explanation:

1.Call membrane

2.the nucleus

3.the cytoplasm

7 0
2 years ago
Read 2 more answers
Other questions:
  • Which layer of the digestive tract contains the effectors for digestive propulsion?
    9·1 answer
  • What are the names of the two phases of photosynthesis?
    12·2 answers
  • The nurse is assessing the fetal heart rate in a pregnant client with diabetes during the first stage of labor. at what time int
    13·1 answer
  • Explain the importance of the Apollo missions.<br><br> Enter your answer in the space below
    7·1 answer
  • Which factor could contribute to an overall population decrease? A) decreased birth rate B) increased immigration C) decreased i
    6·2 answers
  • Gtpase activity is important in the regulation of signal transduction because it
    11·1 answer
  • how did the doctrine of manifest destiny in the united states affect the development of the country in 1800s
    14·1 answer
  • What are tears made up of (I know it's a liquid)
    8·1 answer
  • Water, in all its forms, is always in flux and always moving true false
    8·2 answers
  • It describes bone remodeling______
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!