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
lesantik [10]
3 years ago
6

What is true of systems in terms of their size and boundaries?

Biology
1 answer:
Misha Larkins [42]3 years ago
5 0
A system is contained by its boundary; therefore, the size of a system is limited by its boundary.
You might be interested in
The skin is richly supplied with arteriovenous anastomoses in which blood flows directly between an artery and a vein, bypassing
yaroslaw [1]

Answer: Temperature control

Explanation:

Arterio-venous anastomoses (AVAs) are direct connections between small arteries and small veins. In humans they are numerous in the glabrous skin of the hands and feet.

They are very significant in body temperature control. These temperature control are under the dual control of the central nervous system and the local thermal influence. While the arteriovenous anastomoses control the skin temperature through volume changes in the superficial venous bed, the arterioles and capillaries operate by generalized dilatation which results both in increased temperature and in redness of the skin.

7 0
3 years ago
A scientist studied a population of birds for 10 years. During that time, the population was never fewer than 30 birds and never
ahrayia [7]

Answer:

A particular population limiting factor or factors must have been removed

Explanation:

The population of the birds must have been kept between 30 and 50 individuals by population limiting factors such as the presence of predators within the community or competition for resources such as food or spaces.

For the population to shoot up to 90 all of a sudden, it may be that one or more of the population limiting factors has been removed from the population. <u>It could be that a major predator has been removed from the community or the competition for food/space is now significantly reduced due to more food/space in the community. </u>

3 0
2 years ago
Consider the progeny of a dihybrid cross. For every double recessive homozygote observed, you can expect _______ double dominant
kirza4 [7]

Answer:

1

Explanation:

For example:

A-yellow peas

a-green peas

B-smooth seeds

b-rough seeda

P: AB×ab

F1: AaBb

6 0
3 years ago
Molecules that make up living things and contain carbon are called molecules
Westkost [7]

Answer:

Biomolecule

Explanation:

It's a part of living matter and contains carbon.

5 0
3 years ago
When you examine the mouth, you see that the soft palate is moist and pink with whitish spots?
rusak2 [61]

Mouth assessment is perform to check a person’s health. Upon examining, the soft palate is moist and pink with whitish spots, which may indicate an infection usually tonsillitis. The person must be advised to visit a physician for a healthy soft palate must be free from any spots or patches and pain.

<span> </span>

6 0
3 years ago
Other questions:
  • If the genotype of both parents was Aa, what would be expected of the genotypes among their possible offspring? Half would have
    14·2 answers
  • Food moves through the digestive tract by peristalsis, which is produced by wavelike contractions of ______ muscles answers
    11·2 answers
  • After years of civil war, what took place in nicarague after a cease-fire was agreed-to in 1990?
    10·2 answers
  • Is your prediction supported by the membrane potential chart?
    14·1 answer
  • Which are causes of mechanical weathering? Check all that apply.
    14·1 answer
  • What connects the nitrogenous based to each other?
    14·1 answer
  • Foods in modified atmosphere packaged provide ideal conditions for the growth of ____________.
    6·1 answer
  • If a DNA strand has 32 % guanine, what percent thymine does it contain?
    10·1 answer
  • An element has an atomic mass number of 16 and an atomic number of 7. How many protons and neutrons?
    13·1 answer
  • f humans and chimpanzees only differ by 1.2% genetically, why are there such sizable differences phenotypically between the two
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!