BIOLOGY MIDDLE SCHOOL

How many mL of water would be displaced by 408 g of lead

Answers

Answer 1
Answer: The formula you are going to use for this question is the density formula, which states that: D = M/V, 
Where D = density = 11.34 g/cm3
M = mass of lead = 408g
V = volume of water displaced = ?
D = M/V 
Make V the subject of the formula
V = M/D = 408/11.34 = 35.98
V = 35.98 ml.
Thus, 35.98 ml of water will be displaced by the lead.
Answer 2
Answer:

Answer:

35.98 ml of water

Explanation:

you must subtract the numbers given

the total

and the amount of the object in

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Which of the following is a demonstration of the polarity of water?A) A stream of water bending toward a balloon due to the balloon have a static charge from being rubbed on a sweaterB) Water clinging to each other and as a result forming a droplet on a pennyC) Water clinging to the side of a windshield after a rainD)All of the above

Mengapa tumbuhan dan hewan langka perlu dilestarikan agar tidak punah?

Answers

1.agar tidak punah karena sudah jarang ditemukan
jika tidak dilestarikan akan punah .
akibat ulah manusia yang memburunya.

2.makhluk hidup berperan sebagai proses ekosistem yang membutuhkan
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What is the factor that changes in a controlled experiment

Answers

The factors in an experiment are called  variables. There are three different types of variables. Independent variable, dependent variable, and controlled variable. The independent variable is the one that changes.

Where did the Amoeba get it's name from?

Answers

naturalists referred to Amoeba as the Proteus animalculeafter the Greek godProteus who could change his shape. The name "amibe"was given to it by Bory de Saint-Vincent,[3] from the Greek meaning change

What are the two types of behavioral adaptation

Answers

Answer:

The 2 types of behavioral adaptation are migration, and hibernation.

Explanation:

Adaptation of animal is the fitness towards its environment. If an animal can't adapt, it will perish with time. Adaptation may be genetic or acquired. But basically, adaptation is 2 types - physical adaptation, and behavioral adaptation.  

Physical adaptation includes the coloring of the body, camouflage activity of an organism. The behavioral adaptation is the respond of the organisms to their habitat. This includes hibernation, estivation, migration, etc.

Some animals are affected by the temperature difference of the environment. Therefore, they adopt some methods to survive in extreme temperatures.

The cold-blooded like amphibians hibernate during winter.  They undergo a long sleep during cold weather and become active in summer.  Similarly some animals like desert lizard active in the morning. When the temperature increase they burrow themselves under the ground. This is called estivation.

Birds migrate during the adverse season i.e. in winter. They temporarily go to a different place to spend the cold month and return during the advent of summer. This is one type of behavioral adaptation. They also migrate for better breeding ground and food.  

Some fishes also migrate for breeding and food.

All organisms have adaptations that help them survive and thrive. Some adaptations are structural. Structural adaptations are physical features of an organism like the bill on a bird or the fur on a bear. Other adaptations are behavioral. Behavioral adaptations are the things organisms do to survive. For example, bird calls and migration are behavioral adaptations.
Adaptations are the result of evolution. Evolution is a change in a species over long periods of time.
Adaptations usually occur because a gene mutates or changes by accident! Some mutations can help an animal or plant survive better than others in the species without the mutation.
For example, imagine a bird species. One day a bird is born with a beak that is longer than the beak of other birds in the species. The longer beak helps the bird catch more food. Because the bird can catch more food, it is healthier than the other birds, lives longer and breeds more. The bird passes the gene for a longer beak on to its offspring. They also live longer and have more offspring and the gene continues to be inherited generation after generation.
Eventually the longer beak can be found in all of the species. This doesn't happen overnight. It takes thousands of years for a mutation to be found in an entire species.
Over time, animals that are better adapted to their environment survive and breed. Animals that are not well adapted to an environment may not survive.
The characteristics that help a species survive in an environment are passed on to future generations. Those characteristics that don't help the species survive slowly disappear.

These rectangular piece of glass are used with microscope

Answers

An ocular device used to intensify and see micro and macroscopic cells like animal and plant cells is called a microscope.

The rectangular glass piece used in the microscope is called a glass slide.

  • A thin, oblong and smooth structure is called a glass slide.

  • It is the platform where the specimen to be observed under the microscope is fixed.

  • The glass slide is a transparent substance through which the light can pass and the individual can see the specimen through the eyepiece of the microscope.

Therefore, rectangular pieces of glass that are used with a microscope is called glass slides.

To learn more about microscope and glass slide refer to the link:

brainly.com/question/11333647

these are what are known as tables

Why are we dependant on photosynthesis

Answers

We are dependent on photosynthesis because photosynthesis is an essential process in our natural environment that helps to sustain plant life, produce oxygen, reduce Co2, and promotes human and animal well-being. 
We are dependent on photosynthesis because photosynthesis is an essential process in our natural environment that helps to sustain plant life. We can live with plants.
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