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frez [133]
3 years ago
6

Which characteristics belong to a eukaryote?CHECK ALL THAT APPLY PLS HURRY

Biology
1 answer:
Gala2k [10]3 years ago
6 0

Answer:

Try answer B that should be correct

Explanation:

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Calcium iron vitamin c and vitamin d in which of these is organic substances​
Elodia [21]

Answer:

vitamin C and vitamin d

Explanation:

because if the digested first only no vitamin it's supply to our body

examples like eggs

8 0
2 years ago
Make a claim about how the body's external defenses help to prevent diseases.
harina [27]

Skin prevents the body from getting infections

6 0
3 years ago
Why does increasing soil salinity have adverse effects on plant cells?
borishaifa [10]
Ezywhen salinity in soil increases the soil becomes hypertonic when compared to cell sap.the movement of particles from a lower concentrated solution to a higher concentrated solution is callede osmosis. in general conditions cell sap is at higher conc. than surrounding media. this allows water and minerals to enter the plant. but when soil is at higher conc. i.e., when its salinity increases the process becomes reversed can you imagine its consequenses?
3 0
3 years ago
Read 2 more answers
HELP SOS PLEASE !!!!! (ONLY CORRECT ANSWERS PLEASE)
Phantasy [73]

Answer:

1- Option A) describes an index fossil. Trilobite existed for a short time, but was abundant and lived in many locations.

2- Option B) Continents were once joined and have since drifted apart.

Explanation:

1) Fossils are animal and vegetable rests found in different strata of sedimentary rocks. Sedimentary layers deposit chronologically, so they are used to reflect history. They keep in each layer some of the forms of life that inhabited that area in the past. These fossils turn to be very useful while dating ages. The term Index fossils refer to those fossils that only existed in a given era or geological period during evolution.  

Index fossils must:    

• Be easily recognizable and distinguishable from all the other fossils

• Have lived in a relatively short geological period

• Present a wide geographic distribution

• Have lived in different sedimentary basins

• Appear in different types of rocks

• Be abundant

<em>A) Trilobite existed for a short time, but was abundant and lived in many locations. </em>The species accomplish the requirements. It is easily recognizable, had a wide geographic distribution, was abundant, and lived for a short time.  

2) The tectonic plates theory states that there is a continual movement of the crust. It explains the movement of the different plates and their directions and interactions. The continental drift theory explains how these movements have been taking place since millions of years ago. When continents were together in a unique continent, many species used to inhabit it. When plates started to separate, they took some of these species that got apart by the ocean. Some species were already dead and fossilized, while some other organisms died during continental drift and got fossilized after the divergence. <em>The existence of the same fossils, placed in the same layers and of the same age, suggests that they used to inhabit the same area and died during the same time, meaning that continents were together when they got fossilized. </em>

5 0
3 years ago
Type of response in which physical reactions result from stress
Serjik [45]
The answer is  Chronic<span> Stress</span>
8 0
3 years ago
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