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
guapka [62]
3 years ago
8

bird builds its nest on the branch of a tree. This relationship between the bird and the tree is an example of _______.

Biology
1 answer:
Ad libitum [116K]3 years ago
4 0
Commensalism because the birds is benefiting but the tree is not harmed 
You might be interested in
In some plants, flower color, or __________ of the plant, is dependent upon environmental factors such as the acidity of soil. A
olga2289 [7]
The answer would be d) phenotype. The phenotype is the physical characteristic while the genotype is the combination of alleles from the parent--basically the part that you can't really see. The color of a flower is prominent, so that would be its phenotype. An organism's phenotype can also include certain behavioral characteristics as well, not just the way it looks! Hope this helped :)
5 0
3 years ago
People who have Alzheimer’s disease experience an increasing loss of brain function and cognition over time. Alzheimer’s is char
USPshnik [31]

Answer:

Recently scientists have discovered an enzyme, BACE2, that decreases these abnormal protein fragments in the brain of a person with Alzheimer’s disease.

Explanation:

8 0
3 years ago
The role of enzymes in biological systems is to catalyze chemical reactions. In 1894, chemist Emil Fischer proposed the lock and
ycow [4]
Provided that there's no diagram, most molecules have particular areas on the molecules, called the "active area" that act as a lock to a particular substrate's molecular structure, providing the key. 
An enzyme's active area is only able to be "unlocked" by a certain substrate's "key". 
6 0
4 years ago
Read 2 more answers
Why is VRBA (Violet red bile agar) only pasteurized rather than sterilized prior to use?
Georgia [21]

Answer:

Explanation:

This is because Violet and red bike is only a selective medium that detect and analyse lactose coliform microorganisms that cause fermentation and this is present in diary products like milk. This is milk use for microbiological analysis of milk because of it ability to detect lactose which is a milk sugar. There fore it cannot be use for sterilization.

4 0
3 years ago
A reflex arc consists of
s2008m [1.1K]

Answer:

All of the above.

Explanation:

Reflex arc may be defined as the neural pathway that control the function of the reflex system of the body. Two main types of reflex arc are somatic reflex arc and autonomic reflex arc.

The afferent neuron carries signal from the receptors to the integrating center via the interneuron. The efferent neuron carries signal from the integrating center to the effector organ via the inter neuron.

Thus, the correct answer is option (e).

3 0
3 years ago
Other questions:
  • Identify two regions which proteins are vital components in the human body. why are they important to these regions?
    10·1 answer
  • Do jelly fish have back bones
    15·1 answer
  • Ideally, sustainable development should a. put the protection of the environment ahead of human needs. b. provide for human need
    10·1 answer
  • The whooping crane has always been a rare species. Rare species require special attention to which of the following?
    9·2 answers
  • Which statement provides the best description of the relationship between
    15·1 answer
  • Why blood in pulmonary artery is voilet but in pulmonary vein is scarlet?​
    6·2 answers
  • Si al pesar una tierra en un envase obtenemos un peso de 6.6 gramos. Si el envase vacío pesa 3
    11·1 answer
  • Why do prokaryotes not undergo mitosis?
    6·2 answers
  • Cuando pasa una molécula de una zona de menor concentración de sustancias a una zona de mayor concentración, el transporte impli
    10·1 answer
  • List and briefly describe each of the 4 types of evidence that support evolution
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!