I really need asap can u guys help me with question 1-3 please help mees

Aseries of connections of food chain in an ecosystem is called a what

What is the following best defines climate?

Many plants can reproduce asexually. which of these is an example of asexual reproduction in a plant? a. pine cones forming on a tree b. cross-pollination in a tomato c. roots sprouting from a potato d. night-blooming jasmine flowers