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
ivann1987 [24]
3 years ago
14

Flow

Biology
1 answer:
natka813 [3]3 years ago
6 0

Answer:

Fish utilise a counter-current system in order to maximise the amount of oxygen that can extracted from water. Water has a much lower oxygen content than air and as such fish need a much more efficient system that can extract a much higher proportion of oxygen from the surrounding water.

Explanation:

You might be interested in
Worker bees don't get a chance to reproduce. Instead, they take care of their honeybee colony. They are a good example of animal
Aleksandr-060686 [28]
Phoresy is a smaller creatures that uses larger creatures to move large distances. Altruism is the behavior where an animal puts another's needs before their own. Commensalism is a beneficial relationship for one party and nutral to the other. Mutualism is beneficial to both parties.

The answer is Altruism.
7 0
3 years ago
Marie's pulse, breathing rate, and mental alertness have suddenly increased. it is likely that marie is experiencing the:
NISA [10]
Marie is experiencing the: Sympathomimetic effects (fight-or-flight state).

The sympathetic nervous system is a component of the autonomic nervous system, managing the activity of visceral organs and the automatic functions of the body, such as breathing or beating of the heart. The sympathetic nervous system is involved in many unconscious physiological activities through two neuromodulators of the catecholamine family: adrenaline, but especially norepinephrine (fight-or-flight hormones).
* It accelerates the metabolism and is activated for example in case of danger or fear, to prepare the individual to escape.
* It affects the cardiovascular system: it increases the heart rate and induces peripheral vasoconstriction, causing an increase in blood pressure.
* At the digestive level, it slows the muscular contractions of the intestines but promotes the release of glucose by the liver.
* It also has a bronchodilator effect, that is to say, it causes the increase of the diameter of the bronchi.
5 0
3 years ago
Which best describes the nature of cellular respiration?
ivolga24 [154]
Cellular respiration is a set of metabolic reactions and processes that take place in the cells of organisms to convert biochemical energy from nutrients into adenosine triphosphate (ATP), and then release waste products.

Hope this helps...
3 0
3 years ago
Read 2 more answers
You find a fossil in your backyard. Twelve percent of the Carbon 14 isotope is remaining. How old is the fossil?
In-s [12.5K]

Answer:

it has many years on it

Explanation:

it is old so it is not new

5 0
3 years ago
HELP ASAP: describe the principle of uniformitarianism.
ivann1987 [24]

Answer:

Uniformitarianism: assumption that the same natural laws and processes that operate in our present-day scientific observations have always operated in the universe in the past and apply everywhere in the universe.

Explanation:

6 0
3 years ago
Other questions:
  • a species of rodent can either have brown fur or white fur. Brown fur is recessive and white fur is dominant. what would cause t
    8·2 answers
  • Plankton are drifters in the ocean.
    9·1 answer
  • What is the best evidence that two organism share a common evolutionary ancesery
    5·1 answer
  • If after several rounds of artificial selection all alleles affecting the trait are fixed or lost, the narrow-sense heritability
    13·1 answer
  • Compare an animal with a gastrovascular cavity to an animal with a tube-type digestive system. What is(are) the major advantage(
    12·1 answer
  • Guyss i need help asap plssss​
    7·1 answer
  • should the government of nations ban or control DNA/Gene Editing on human beings and/or human embryos?
    13·1 answer
  • Earth has 3 main planet zones because the differences in latitude and
    15·1 answer
  • How are the final products of photosynthesis related to the final products of cellular respiration?
    10·1 answer
  • What factors play a role in how fast, far, or what direction DNA fragments travel for gel electrophoresis?
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!