Chlorophyll is green because

How do scientists put a gene from one organism into another?

bogdanovich [222]

They first 'cut out' genes using precise biological 'scissors' – restriction enzymes – and paste them into DNA from another organism like a bacterium or yeast where it is copied many thousands or millions of times. Molecular model of a restriction enzyme bound to DNA.

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2 years ago

A trillium is a plant that grows on the forest floor. During a study, a scientist observed that a trillium blooms much earlier d

andre [41]

Early season sunlight is needed. Trilliums bloom much earlier during the year <span>to be warmed by the early spring sun.</span>

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2 years ago

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Which of the following is not a way that humans have increased the carrying capacity of the environment?

mezya [45]

Answer:

using large amounts of natural resources

Explanation:

Carrying capacity of the environment can be defined as the optimal (maximum acceptable) level of use that an area can receive with a high level of satisfaction for users (visitors, researchers, employees) and minimal negative effects on resources. To some extent, the carrying capacity of the environment can be increased through agriculture, animal taming and the use of language. However, as a requirement to increase the carrying capacity of the environment is to engage in activity that does not adversely affect the area's resources, it is not possible to increase the carrying capacity of the environment by using large amounts of natural resources.

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2 years ago

Large biological molecules that carry out essential roles within organisms

zepelin [54]

The primary roles done by these biological macromolecules in the biological processes in each organism is that contains substances that are considered as essential for these process and among which in macroscopic sizes are carbohydrates, lipids, proteins and many others.

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2 years ago

These periodic changes on Earth are a result of the five major history that have occurred throughout Earth's

shepuryov [24]

Changes sea level by 100 meters

Exposure of continental shelf

Changes in continental shelf composition

Mass extinctions of species in certain areas

Changes in the water cycle

Changes in landscape

Changes in topsoil characteristics

Answer:

A. Ice Ages

Explanation:

These periodic changes on Earth are a result of the five major ICE AGES that have occurred throughout Earth's history

The five major Ice Ages that throughout the Earth's history we're the following:

1. the Huronian: this occurred around 2.4 billion years ago

2. Cryogenian: this followed Huronian age, and it occurred around the period of 850 million years

3. Agondean-Saharan: this major ice age occur around 460 million years ago.

4. Karoo this is a period of about 360 million years

5. Quaternary is the present age, and it has been in existence since about 2.6 million years ago till the moment

Hence, in this case, the correct answer is Ice Ages

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2 years ago