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kykrilka [37]
3 years ago
10

Which statement describes a self-feeder? A. An oak tree takes in energy from sunlight. O B. A bacterium gets nutrients from othe

r organisms O C. A paramecium sweeps food into a mouthlike structure. OD. A panda finds and eats bamboo branches. ​
Biology
2 answers:
cluponka [151]3 years ago
7 0

Answer:

A.

Explanation:

FinnZ [79.3K]3 years ago
6 0

Answer:

A. An oak tree takes in energy from sunlight

Explanation:

hope this helps

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PRE-LAB QUESTIONS 1. What is the difference between chemically defined and chemically complex media? Give either a clinical or e
larisa86 [58]

Answer:

Explanation a chemical define media is a media that do not contain any animal derived source as a component. It is a media whose chemical component are known. It is said to be the purest form of media for culture.

Complex Chemical media is a media whose component are not known. It includes both animals,yeast, plant source whose component are not known this Mixture makes it complex.

Example of complex media is Human Endothelial-SFM (Life Technologies), Endothelial Basal Media, EndoGRO-LS Complete

Example of chemically defined media enhancing or inhibitory effects of GSLs and sphingolipids on tyrosine kinases associated with growth factor receptors.

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3 years ago
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!!PLEASE HELP IMMEDIATELY!! a snapping turtle has 52 chromosomes. which statement correctly compares the number of chromosomes i
IrinaK [193]

Answer:

The body cell has 26; the sex cell has two.

Explanation:

I think sorry if I'm wrong.

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3 years ago
A cutting is taken from a red-flowered geranium and placed in water to develop roots. Once roots have grown, the new plant is pl
Simora [160]

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3 0
2 years ago
How did the ecology of the african tropics change about 6 million years ago?.
Alborosie

Answer:this area experienced warming temperatures and significantly reduced rainfall, resulting in the formation of the Sahara Desert.

Explanation: hope this helps <3

6 0
2 years ago
According to Piaget, children have acquired the cognitive skill of conservation when they're able to
tatuchka [14]

Answer:

The question lacks options, the options are:

A. understand the viewpoint of other people.

B. realize that the term heavy describes an object one way and the term big describes it another way

C. understand that six ounces of liquid in a jar and six ounces in an elongated tube are equal.

The answer is C

Explanation:

Piaget proposed the theory of cognitive development, which talks about how human intelligence is developed. Piaget worked with Children because he believed they played a significant role in the development of cognitive intelligence. Based on his work, he proposed four stages of cognitive development viz: sensorimotor, preoperational, concrete operational and formal operational stages.

However, in the preoperational stage, Piaget described children between ages 2-7 as being in this stage of cognitive development where they are yet to comprehend mental logic. One characteristics of this stage is CONSERVATION, which is the ability to know that changing a substance's appearance doesn't change the properties of that substance. Piaget proposed that Children between the ages of 2-7 lacked this conservative characteristics.

He performed an experiment where he used two beakers with the same amount of liquid. He then emptied the contents of one of the previous beakers into a new beaker with different shape (longer). Piaget was able to notice that Children at the pre-operational stage were unable to understand that the contents of the two beakers (longer one and previous beaker) were still the same despite the beaker has been changed.

Hence, according to Piaget, a child has acquired the cognitive skill of conservation when he/she is able to understand that six ounces of liquid in a jar and six ounces in an elongated tube are equal.

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