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Sidana [21]
3 years ago
12

A population of beetles are kept in a controlled ecosystem. No beetles are

Biology
2 answers:
gavmur [86]3 years ago
8 0

Answer:

C

Explanation:

cupoosta [38]3 years ago
5 0

Answer:

According to what is observed in point A of the graph, referring to the population of beetles, there is no competition for resources.

Explanation:

The graph shows that a controlled population of beetles, where other individuals do not enter or leave, experiences <u>progressive growth over time</u>. This is because the population has sufficient resources to guarantee their development, the birth rate exceeds that of mortality and there is no competition for these resources.

The adequate amount of resources allows that, at point A, the carrying capacity has not been reached, a consequence of no competition among members of the same species, which ensures that the net population growth rate is maintained or even increase.

Learn more:

Population growth brainly.com/question/2556439

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Need help here plss
levacccp [35]

Answer:

1) B

2) A

3) C

4) C

5) A

6) D

7) A

8) B

9) B

10) A

11) B

12) C

Explanation:

1) This shows that the rock occupies space as what we are looking at here is volume. (The displacement of water) Let's look at each of the options. It doesn't show that matter has mass because there is no mass balance or any equipment to show the heaviness of the rock. The state of matter (options C and D) is not shown here as any matter, which occupies space, when poured or added to an already filled glass will cause the water to spill. Option C says that matter is a solid, which is false as there are many different states of matter, such as solid, liquid and gaseous state. While a rock is a solid, the statement that matters are solid is false.

3) The term space is not commonly used in the study of science, we usually call it volume. This is because 'space' is quite a vague word as it could mean atmospheric space. More precisely, volume is the amount (or measure) of space a matter occupies.

4) Weighing scale measures the amount of mass (or weight) in a body. Options A and D are units of measurement for length while B is used for volume. Recap: volume is the amount of space an object occupies

5) Here, we are differentiating matter from non -matter

Properties that differentiate a matter from a non- matter are mass and volume. Matters have mass and occupies space (have volume).

6) I. Light is not a matter

II. All matter

III. Heat is not a matter. It is the measure of coldness or hotness in a body.

IV. All matter

9) Option C talks about diffusion.

10) An ion is a charged particle. For example, if an atom gains or loses an electron, it becomes negatively or positively charged and is now known as an ion.

A molecule is a group of atoms bonded together.

12) Atoms are very tiny so centimeters and millimeters would be too big of a unit for measuring them. Gram is a unit of measurement of mass.

<u>☆ Extra:</u>

Mass is the amount of substance in a body while weight is the amount of gravitational force acting on a body.

6 0
2 years ago
Which of the following is NOT found in the cell membrane:
Tatiana [17]

Answer:

nucleic acid are not found in the the cell membrane.

Explanation:

They are only found in ribosomes and the nucleus as either DNA or RNA

6 0
3 years ago
Read 2 more answers
Evaluate your proposed solutions for their impact on overall environmental stability and changes. Which solution has more impact
Allisa [31]
1. Replace disposable items with reusable
Anything you use and throw away can potentially spend centuries in a landfill. See below for simple adjustments you can make to decrease the amount of disposable items in your daily life.

Carry your own reusable cup or water bottle
Use airtight, reusable food containers instead of sandwich bags and plastic wrap
Pack a waste-free lunch: carry your utensils, cloth napkin, and containers in a reusable lunch bag
Bring your own bags to the grocery store
Consider buying bulk containers of your preferred beverages and refilling a reusable bottle, instead of buying individually packaged drinks
Use rechargeable batteries

2. Pass on paper
We are living in the Digital Era, but think about all the paper products you use in your daily life. These actions still align with reusing and repurposing, though may take a little more time for transition.

Join a library instead of buying books or buy a Kindle
Print as little as possible; and if you must, print on both sides
Wrap gifts in fabric and tie with ribbon; both are reusable and prettier than paper and sticky-tape
Stop using paper towels and incorporate washable cloths
Look at labels to make sure you only use FSC-certified wood and paper products
Cut out products made by palm oil companies that contribute to deforestation in Indonesia and Malaysia

3. Conserve water & electricity
The tips you see below will seem like no-brainers; however, it may take to become more aware of your unconscious habits.

Turn the sink water off when brushing your teeth
Water the lawn in the morning or evening; cooler air causes less evaporation
Switch off anything that uses electricity when not in use (lights, televisions, computers, printers, etc.)
Unplug devices when possible; even when an appliance is turned off, it may still use power
Remove chemicals inside of the house; research companies that use plant-derived ingredients for their household cleaning products
Remove chemicals outside of the house; use eco-friendly pesticides and herbicides that won’t contaminate groundwater
Consider signing up for a renewable energy producer that uses 100% renewable energy to power homes

6 0
3 years ago
What specific type of experiment demonstrated that cadherins were sufficient to mediate cell-cell adhesion?
aivan3 [116]

Answer:

Answer is A. Expression of Cadherin gene in the cell that do not normally adhere to each other( or have low adhesion function).

Explanation:

Not that, the level of Cadherin expression influences the streght of adhesion and the type of Cadherin expressed, in determining the specificity and property of interaction.

5 0
3 years ago
D.
NNADVOKAT [17]

Answer:

all of the above

Explanation:

3 0
2 years ago
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