green plants

rabbits

snakes

hawks

bacteria

A deadly fungal disease wipes out all the frog populations in a pond ecosystem. What will be the effect?

Rabbits and grasshoppers will starve or leave the area. What is the cause?

The population of grasshoppers explodes leading to the overconsumption of local crops and plants. What is the cause?

Overfishing removes almost all the small fish from an ocean food web. What will be the effect?

A patient in an emergency room loses a lot of blood. The doctor needs to give them blood immediately before running any tests. Which blood type is safe to give to anyone?

A boy is running a fast race in gym class. He notices that his heart is beating super fast and he is breathing heavily. Which part of his nervous system automatically kicks in to help his body handle this hard work?

Blood travels from the heart to the lungs to pick up oxygen and then goes back to the heart. What do we call this specific path of blood flow?

A girl is listening to her favorite song on her headphones. Which lobe helps her hear the music?

A pupil is sitting in a Special Science class trying to answer her summative test. She strategizes how she can finish the test within 40 minutes only. Which lobe of the cerebrum is responsible for this skill?

An apex predatory (tertiary consumer) consumes 12 J of energy. How many joules of energy did the secondary consumer have before being eaten?

A meadow ecosystem has 50 000 joules (J) of energy stored in its primary producers (grasses). How much energy is available to the primary consumers (herbivores like rabbits)?

If secondary consumers (carnivores) in a forest ecosystem receive 450 calories of energy, how much energy was originally captured by the primary producers at the base of the food chain?

If a fern’s haploid (n) spore cell contains 41 chromosomes what is the diploid (2n) chromosome number of its regular leaf cells?

A human skin cell undergoes mitosis. If the original parent cell has 46 chromosomes how many chromosomes will each of the resulting daughter cells contain?

A dog has a diploid chromosome number of 78. During the S-phase of interphase before prophase, DNA replication occurs. How many chromatids are temporarily present in the cell right before mitosis begins?

Fungi supply the tree roots with essential soil minerals while receiving sugars produced by plant photosynthesis.

The fig grows around and over the host tree and steals sunlight until the host tree dies.

The orchid grows high up on the tree trunk to access sunlight and absorbs moisture from rainwater without taking nutrients or harming the tree.