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Rainbow [258]
3 years ago
5

The oldest fossil forms of life are most similar to

Biology
2 answers:
jasenka [17]3 years ago
7 0
The answer is C

Archaebacteria were the first forms of life because they can survive in very harsh conditions like extreme heat and cold
Eduardwww [97]3 years ago
3 0

the answer is a, animals

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Plants are the basis of nearly all ecosystems on Earth because they carry out the process of photosynthesis. Plants harvest ligh
Daniel [21]

Answer:

Trophic level

Consumer

Producer

Explanation:

All living organisms require energy for their life processes, which they obtain by taken in food. In an ecosystem, this food is derived when organisms feed on each other. This process that eventually leads to a flow of energy within organisms is called FOOD CHAIN.

A food chain or food web always begins with a unique set of organisms called PRODUCERS. Producers are autotrophs capable of harvesting light energy from the sun and use it to produce their food (chemical) in a process called PHOTOSYNTHESIS. Other organisms called HETEROTROPHS feed on these producers to derive energy. In ecology, they are called CONSUMERS. Other consumers feed on the previous ones also to get energy.

Hence, each step of the food chain is occupied by organisms that obtain and store energy by feeding on another organism. This step is called TROPHIC LEVEL.

In a nutshell, a PRODUCER (usually plants) starts the food chain/web due to its photosynthetic ability. This producer gets eaten by an organism called CONSUMER and in the process, the energy and nutrient stored in the producers flows to the consumer. Another consumers feeds on the previous one and the energy keeps flowing. Each step of the food chain occupied by an organism that stores and transfers this energy is called TROPHIC LEVEL.

4 0
3 years ago
What behavior of light proves that it is a wave? Hint: Will this only happen because light is a wave, what could it also be true
makvit [3.9K]

Answer:

A. Redshift and Blueshift

Explanation:

It’s red shift and blue shift, because this only occurs when the frequency of the wave is made longer or shorter due to the movement of the source relative to the observer.

7 0
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What moves the chromatids around during cell division
REY [17]

Answer:

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Explanation:

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The most important estrogen is estradiol and the most important androgen is
Pie
<span>The most important estrogen is estradiol and the most important androgen is testosterone.</span>
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The Law of Independent Assortment states
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Answer:

that allele pairs separate during the formation of gametes. This means that traits are transmitted to offspring independently of one another.

Explanation:

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