The first land plants occurred in the Ordovician. What important function did they contribute to conditions on land that allowed for an explosion of life on land during subsequent geologic periods? (Hint: Why are land plants important to live on Earth in the present day?)

Explanation:

Land plants are one of the major support of life. Oxygen gases given as a waste product from plant is what human takes in as air to support life. Lands plant provides the major food we eat, which without men cannot survive.

Most medicines, herbs used in various ailment treatment are from land plant this makes them of immense important on the planet earth.

They help in maintaining the ecosystem by reducing the effect of global warming while making use of abundant carbon dioxide that is available in the atmosphere.

identify the dna change shown in the diagram and explain how that change can result in the increased genetic diversity often seen among siblings.identify the dna change shown in the diagram and explain how that change can result in the increased genetic diversity often seen among siblings.v

correct answer: understand the different control methods available

integrated pest management is an strategy that is based on the ecosystem and try to prevent the pest and the damage caused by them by applying combination of technique like habitat manipulation, biological control and use of resistant varieties.

the main aim of the integrated pest management is not to completely eliminate the pest but to strengthen the ecosystem so that conditions are favorable for plants and unfavorable for pests.