Biology 1st Semester 2022

Front

Which organelles help provide cells with energy?

Back

Mitochondria and chloroplasts are the organelles that provide energy to cells.

Front

What are organisms that obtain nutrients by breaking down dead and decaying plants and animals called?

Back

Decomposers are organisms that break down dead and decaying matter to obtain nutrients.

Front

What can be summarized from the work of Schleiden and Schwann?

Back

All plants and animals are made of cells.

Front

What is the term for an interaction in which one organism captures and feeds on another organism?

Back

Predation is the interaction where one organism captures and feeds on another.

Front

What do you call an organism that cannot make its own food?

Back

A heterotroph is an organism that cannot produce its own food.

Front

What is the function of mitochondria in a cell?

Back

Mitochondria are known as the powerhouse of the cell, generating ATP through cellular respiration.

Front

What is the role of chloroplasts in plant cells?

Back

Chloroplasts are responsible for photosynthesis, converting sunlight into chemical energy.

Front

Define decomposers in an ecosystem.

Back

Decomposers are organisms that break down dead organic material, recycling nutrients back into the ecosystem.

Front

What is the difference between autotrophs and heterotrophs?

Back

Autotrophs produce their own food (e.g., plants), while heterotrophs rely on consuming other organisms for energy.

Front

What is competition in ecological terms?

Back

Competition occurs when two or more organisms vie for the same resources in an ecosystem.