Answer:
It is both accurate and precise.
Explanation:
Accuracy and precision are two ways data measurements are described. A measurement is said to be ACCURATE if it is close to the accepted/correct value while PRECISE measurements are those measurements that are close to one another.
In this case, the correct value is 59.2
From observation of the experimental values:
Trial 1: 58.7
Trial 2: 59.3
Trail 3: 60.0
Trial 4: 58.9
Trial 5: 59.2
- One would notice that these measurements in each trial is close to the correct value of 59.2, hence, they are said to be ACCURATE.
- Also, the measurements are close to one another, hence, they are said to be PRECISE
in a nutshell, the data is both accurate and precise
Answer:
Bears, lions, and tigers all are predators that have similar hunting habits such as medium to large prey. Because of this, if they were living in the save environment, they would be competing for food and space. This would cause them to attack and kill off each other until one remained. That or the other two species would be driven out of the area.
Explanation:
B. They develop a blastula
C. They eat dead or living
organisms
D. They make their own food
Answer:
D
Explanation:
plants make their own food not animals, hope this helped :)
Answer:
When this reaction takes place, water dissolves ions from the mineral and carries them away. These elements have undergone leaching. Through hydrolysis, a mineral such as potassium feldspar is leached of potassium and changed into a clay mineral.
Explanation:
Answer:
The correct answer is: The action potentials peak at a higher voltage than in the body.
Explanation:
Nerve cells in the human body have a very low sodium concentration inside them, while the liquid that surrounds them is rich in this particular ion. When sodium channels in the neuron's plasma membrane are opened, this big difference in sodium concentration -also called gradient- produces a big influx of sodium ions. This rapid entering of Na+ generates a change in the voltage of the cell, because sodium is positively-charged, meaning that the inside of the neuron will become less negative - this is commonly called depolarization of the membrane. Action potentials are generated because of the sudden spike in voltage, but for them to occur, there's a certain voltage that needs to be achieved, so not every depolarization will produce an action potential.
The fact that the cell in the lab is surrounded by a lower concentration of sodium means that the influx of Na+ ions will be lower, because the gradient won't be as big, but also means that the action potential will peak at a higher voltage because the resting membrane potential wasn't as negative to begin with.
giving the cell a rigid, inflexible shape.
B
allowing water to pass into the cell.
с
protecting the cell from the outer environment.
D
regulating movement of materials in and out of the cell.
Cell membranes have each of the following functions except for giving the cell a rigid, inflexible shape. Thus, the correct option for this question is A.
A cell membrane may be defined as a type of biological membrane which separates the inner surroundings of the cell with respect to the outer environment. It is semi-permeable in nature. It performs numerous functions for increasing the survival of an organism.
Cell membranes generally protect the inner content of the cell along with various organelles from the outer environment. It also regulates the movement of materials in and out of the cell either by simple diffusion or by transporters. It allows the easy passage of water into the cell.
Therefore, cell membranes have each of the following functions except for giving the cell a rigid, inflexible shape. Thus, the correct option for this question is A.
To learn more about Cell membranes, refer to the link:
#SPJ6
Two species are able to occupy the same niche in the same habitat.
Two species cannot occupy the same niche in the same habitat.
If two species have the same niche, one species will always move.
Answer:
If two species have the same niche, one species will always move.
Explanation:
In biology, ecological NICHE refers to how the species of an organism performs in its ecosystem i.e. its role. Niche includes the reproduction, feeding pattern, prey, etc. However, if there are two species occupying the same niche, one species will always move.
One of the species, usually the weak one, will always move because occupying the same niche by two species will inevitably lead to competition, which causes one of the species to go elsewhere when these resources are limited.
If two species have the same niche, one species will always become extinct. This is known as the competitive exclusion principle. Hence option A is correct.
It states that two species cannot occupy the same niche in the same habitat and stably coexist. This is because they will compete for the same resources, and one species will eventually outcompete the other.
The only way for two species to occupy the same niche in the same habitat is if they have some kind of mechanism to prevent competition. For example, two species of birds may have different beak shapes that allow them to eat different types of food. This is known as resource partitioning.
If two species have the same niche and no mechanism to prevent competition, then one species will eventually become extinct. This is because the species that are better adapted to the environment will outcompete the other species and eventually drive it to extinction.
Therefore, the correct option is A.
To know more about a niche:
#SPJ3