Which of the following is one observation that darwin made as he developed his theory of natural selection

Answers

Answer 1

Answer: ur answer would be more organisms are born than can survive.
hope i helped..!!

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How does cardiorespiratory endurance affect physical fitness? It increases the efficiency with which the body delivers oxygen and nutrients to its cells. It improves the amount of force that muscle groups release in a single effort. It helps joints move through a full range of motion efficiently and effectively. It improves how well muscles perform repeated movements over extended periods of time.

Answers

The best answer to the question above would be the first statement. Cardiorespiratory endurance affects physical fitness in such a way that it increases the efficiency with which the body delivers oxygen and nutrients to its cells.

Answer: It increases the efficiency with which the body delivers oxygen and nutrients to its cells.

Explanation:

Cardiorespiratory endurance is a measurement of functioning of the heart, lungs and the muscles to keep the body active. During the exercise the body requirement for oxygen increases the heart pumps the blood faster so that the demand for each cell for oxygen can met. The lungs helps in the attaining stability of the overall increased rhythm of respiration helping in inhalation and exhalation of gases. This way, the cardio-respiratory endurance increases the efficiency with which the body delivers oxygen and nutrients to its cells.

Which of the following is a need of most plants?

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carbon dioxide and photosynthesis

You have four sunflowers. You give each sunflower different types of water. One flower gets pure water and the others get different amounts of salt added to the water. The plants are watered every three days. After a two-week period, the height of each plant is measured.What is the Independent variable?

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Answer:

iv is the amounts of salt added to water

Explanation:

because it being controlled in the expariment by the scientists.

What is the purpose of using a pedigree?

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careful analysis of the pedigree can determine if a trait has a powerful or heritable characteristics controlled by genes.

Answer:

to understand patterns of inheritance in organisms

Explanation:

Edge

Differences in elevation are best shown using a _____.satellite map
topographic map
Mercator projection map
Robinson projection map

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The correct answer is a topographic map. Differences in elevation are best shown using a topographic map. In modern mapping, topographic map is usually used since it provides a large-scale detail and a clearer representation.

The correct answer is option B, Topographic map

In the Cambrian period of Paleozoic era of geological time period, most of the modern animals appear. Chordates were the first animal phylum that appeared during this time period along with several indistinct animal species such as Archaeocyatha, brachiopods, trilobite, pirapulid, sponges etc. The prokaryotes, protists, fungi and algae that appered during this era continues to modification and development till today

Kelp is a kind of: brown algae fungi plant red algae

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Kelp is a kind of a brown algae (Phaeophyceae). It is a cold-water seaweed also used as food and as a source of iodine. It is considered safer and better than any other chemicals for the body. It develops through sunlight and it gets nutrients and minerals from the water around it.

Other Questions

A single carbon atom can form a maximum of how many single covalent bonds

A. crossing overB. genetic drift C. law of dominance D. random segregationE. independent assortmentSexual reproduction promotes genetic variation. One way variation occurs is via the production of gametes during meiosis. Sexual organism are the product of sperm and egg, receiving chromosomes from both parents. But what mechanisms are at work during meiosis to promote genetic variation? Review the prompt and select all that apply

The set of alleles that an organism has

Not an ultimate goal if science