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LiRa [457]
3 years ago
14

Data about our past climates is contained in...

Biology
2 answers:
ipn [44]3 years ago
6 0

D. ice core samples for the arctic and anarctic

Ivanshal [37]3 years ago
5 0

Answer:

Sediments are the most commonly studied paleoclimate archive. Their ubiquity spans marine, fresh water, and land environments and extends back nearly 4 billion years. Layers of sediment contain many clues to what the climate was like at different time scales in the past.

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A student puts drops of Lugol's iodine solution into the water in the beaker shown. The water turned red. After a short time, th
pantera1 [17]

Answer:

Cell membrane as  a semi permeable membrane.

Explanation

A semi permeable membrane is the one that would only allow water,ions  and certain molecules to pass through it  by diffusion while restricting other  large molecules from passing through.

Details in the attachment.

Download docx
8 0
3 years ago
Regarding Natural Selection, what does the term FIT mean?
devlian [24]

Answer:

to an evolutionary biologist fitness simply means reproductive success and reflects how well an organism is adapted to its environment.We call them fit because of how successfull they reproduce not how well they do at athletic events

Explanation:

8 0
2 years ago
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What is most influenced by the amount of organic material?
zavuch27 [327]
SOIL TEXTURE .....................
8 0
3 years ago
The part that gives the cell shape and holds the cytoplasm
Tamiku [17]
The cellular membrane, in the case of cells that don't have a rigid cellular wall, outlines the cell and contains the cytoplasm but it's the cytoskeleton that is more responsible for the shape of a cell, which come in a variety of shapes: squamous, cuboide, colunar, neurons, etc. In cells that do have a rigid cellular wall, such as plant cells, it's the cellular wall that gives it <span>its shape.</span>
6 0
3 years ago
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Which statement best explains the decrease in energy availability in a food chain?
Stolb23 [73]

Answer: The correct answer is D) Some energy in each trophic level is used for life processes.  

Food chain represents the flow of energy through various living organisms (which lie at different trophic levels) in an ecosystem. The energy flows from one trophic level to the next and it is decreased with subsequent trophic levels.

As per the law of 10% energy transfer, only 10 % of the energy is transferred from one level to the next as the rest of the energy at every trophic level is utilized in various metabolic processes like respiration, digestion, excretion and also liberated as heat in the surrounding.

Due to this, the energy available at any trophic level is less than the previous trophic level.

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3 years ago
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