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Luden [163]
3 years ago
8

Abiotic factors one of the many components of an ecosystem . Abiotic factors include, rocks,water, and sunlight . One way that a

m ecosystem differs from its abiotic factors is that
Biology
1 answer:
Alborosie3 years ago
4 0

Answer:

An ecosystem is biotic, not abiotic.

Explanation:

First, an ecosystem is a biological community of interacting organisms and their physical environment. Second biotic factors are nonliving things whereas biotic factors are living things in an ecosystem you have your producers or plants which then will be consumed by the primary consumers. With the primary consumers feeding the next group of consumers and then the next and then after they die they fertilize the ground allowing the producers to grow as it completes the circle of life.  

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What is true about DNA mutations?
JulsSmile [24]

Answer:

B

Explanation:

Crossing over is the process involved during meiosis of two chromosomes sharing genetic information with each other from each parent. This happens so the two daughter cells or sister chromatids have a variety of genetic information and so they are not completely identical. This leads to genetic diversity or variation.

6 0
2 years ago
What are seeds?
I am Lyosha [343]

Answer:

The answer is A. Fertilized ovules

3 0
3 years ago
In addition to seeds, which of the following characteristics are unique to the seed-producing plants?
Y_Kistochka [10]

The correct answer is C. Pollen

5 0
3 years ago
A biology class is studying the effect of temperature on the amount of growth of duckweed in an aquarium. What type of data will
iragen [17]

Answer:

\boxed {\boxed {\sf They \ will \ gather \ quantitative \ data \ using \ a \  thermometer \ and \ a \ balance}}

Explanation:

First, let's identify the tools needed.

Since the biology class is studying the temperature, they will likely need a <u>thermometer</u>. Also, they are gathering information about the growth of the plants. This could use a <u>balance </u>of a meterstick.

Next, recall the difference between quantitative and qualitative data.

  • <u>Quantitative</u>: Measurable and numerical results found using scientific instruments/devices
  • <u>Qualitative</u>: Data found using the senses, such as descriptions and diagrams.

Since the class is measuring temperature and growth using tools, it must be quantitative data.

We can eliminate choices A and B, because they claim the class will gather qualitative data. Then, we can eliminate choice D, because a beaker and timer won't help with temperature and growth. That leaves choice C as the correct answer.

6 0
3 years ago
Read 2 more answers
What is the half-life of strontium-90? please explain your answer!
sveticcg [70]

The right answer is 28 years.

The half-life, or period of a radioactive isotope, is the time required for half of the nuclei of this isotope initially present to decay naturally.

One gram of pure 90 strontium has a radioactivity of 5.11 TBq. Its beta radiation is not penetrating, which makes it difficult to measure when it is in the soil or a matrix. It is very harmful when the particle is inhaled or ingested.


8 0
3 years ago
Read 2 more answers
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