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Hunter-Best [27]
2 years ago
10

Which question can be tested scientifically?

Biology
1 answer:
konstantin123 [22]2 years ago
4 0
Does humidity affect the decay rate of leaves?
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How does natural selection lead to evolution?
maw [93]

<u>Answer</u>:

Option d. many small changes can create a whole new species

<u>Explanation</u>:

In the natural selection when the animals gets adapted in a better manner, they tends to thrive in and gets the ability to reproduce more which leads to the formation of the new bigger species. It leads to a change when the individual with few characteristic have the survival chance more also the reproductive rate as compared to others individuals in the group and also passes these inheritable genetic traits to the offspring.  

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sveta [45]

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wrong subject and none of theses is the answer :(

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Elephants, who are important grazers, are instrumental in transforming woodlands into grasslands. This has a tremendous impact o
nata0808 [166]
Elephants, who are important grazers, are instrumental in transforming woodlands into grasslands. This has a tremendous impact on other species that depend on the grass for their survival. The significance of the elephant in this example is B. keystone species. 
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3 years ago
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Organism at the end of a food chain
stira [4]

Answer:

is always a higher organism

Explanation:

lets take an example:

food chain consisting of zooplankton, small fish, big fish and man

as the order goes in the question ,the organism at the end of this food chain is man

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Which of the following energy transformation occur when humans use energy from food to exercise?
tatuchka [14]

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D. Chemical - mechanical - thermal

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D because the food is chemical and the mechanical is the human excersice, and it results in thermal

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