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svp [43]
3 years ago
8

11)

Biology
1 answer:
goblinko [34]3 years ago
3 0

Answer:

Mitochondria and chloroplasts

Explanation:

Mitochondria and chloroplasts each have their own DNA due to at one point being prokaryotes that fused with other prokaryotes.

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Describe the positive and negative interactions that affect populations in the tundra ecosystem
SCORPION-xisa [38]
Living organisms in any biome interact through a variety of relationships. Organisms compete for food, water, and other resources. Predators hunt their prey. Some organisms coexist in mutually beneficial relationships (symbiosis), while others harm organisms for their own benefit (parasitism). Still others benefit from a relationship that neither helps nor harms the other organism (commensalism).

Animals found in the Arctic tundra include herbivorous mammals (lemmings, voles, caribou, arctic hares, and squirrels), carnivorous mammals (arctic foxes, wolves, and polar bears), fish (cod, flatfish, salmon, and trout), insects (mosquitoes, flies, moths, grasshoppers, and blackflies), and birds (ravens, snow buntings, falcons, loons, sandpipers, terns, and gulls). Reptiles and amphibians are absent because of the extremely cold temperatures. While many of the mammals have adaptations that enable them to survive the long cold winters and to breed and raise young quickly during the short summers, most birds and some mammals migrate south during the winter
3 0
3 years ago
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Katie designed an experiment using a paint roller pan, sand, and water. The steps of the experiment are listed below.
Nina [5.8K]

Answer:

hydrosphere, geosphere, and atmosphere i believe

Explanation:

5 0
2 years ago
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What is well-tested explanation that brings together many observations in science would include such things as evolution, plate
lara31 [8.8K]

The correct answer is a theory.  

A theory is a rational and contemplative kind of generalizing or abstract thinking or the outcomes of such thinking. On the basis of the context, the outcomes might involve generalized illustrations of how nature functions.  

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7 0
3 years ago
Drag the labels from the left to the correct locations in the table to contrast r- and K-selection.
Mandarinka [93]
I don’t see any labels, but remember that humans are a great example of a k-selected species. High rates of parental care leads to high survivorship of offspring, and thus negates the need to have large amounts of offspring.

R-selected species are quite the opposite. They produce large amounts of offspring at many intervals in an attempt to maximize survivorship, as they don’t have strong parental involvement with their young. Think of insects.
7 0
2 years ago
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Mkey [24]

Answer:

no because you cannot get type O if the man is type AB

7 0
2 years ago
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