Water Works
What is the primary function of root hairs on a plant?
A) To anchor the plant deeply
B) To store excess water
C) To increase surface area for rapid water absorption
D) To protect the root from insects
C) To increase surface area for rapid water absorption
In which layer of the leaf does most photosynthesis occur?
A) Spongy Layer
B) Lower Epidermis
C) Palisade Layer
D) Upper Epidermis
C) Palisade Layer
What is the adaptation of a lion mentioned for obtaining food?
A) Long neck for reaching high leaves.
B) Sharp canines for tearing meat.
C) A long tongue for catching insects.
D) Flat molars for grinding plants.
B) Sharp canines for tearing meat.
What are adaptations?
A) Changes an organism makes during its lifetime.
B) Special characteristics that help organisms survive in their habitat.
C) The process of plants making their own food.
D) Only physical features like sharp teeth.
B) Special characteristics that help organisms survive in their habitat.
The spongy layer of the leaf is characterized by:
A) Tightly packed cells full of chloroplasts.
B) A waxy, waterproof coating.
C) Air spaces for gas diffusion.
D) Transparent protective cells.
C) Air spaces for gas diffusion.ostrich
Through which vessel is water transported from the roots to the rest of the plant?
A) Phloem
B) Root hairs
C) Stomata
D) Xylem
D) Xylem
What is the role of the stomata?
A) To transport water.
B) To absorb sunlight.
C) For gas exchange.
D) To provide structural support.
C) For gas exchange.
A giraffe's long neck and tongue are adaptations for what purpose?
A) Fighting predators.
B) Reaching leaves on tall trees.
C) Digging for water.
D) Attracting a mate.
B) Reaching leaves on tall trees.
Which of the following is an example of a structural adaptation?
A) A bird migrating south for the winter.
B) A plant growing towards the light.
C) A polar bear having thick, white fur.
D) A lizard basking in the sun.
C) A polar bear having thick, white fur.
Why might a desert plant have fewer stomata?
A) To maximize sunlight absorption.
B) To increase the rate of photosynthesis.
C) To conserve water.
D) To attract more pollinators.
C) To conserve water.
What is an adaptation of plants in dry environments, like a cactus, for obtaining water?
A) They have very deep taproots.
B) They have shallow, widespread roots to collect surface water.
C) They absorb water directly through their leaves.
D) They do not need water.
B) They have shallow, widespread roots to collect surface water.
The primary function of the leaf's waxy cuticle is to:
A) Absorb sunlight.
B) Perform photosynthesis.
C) Reduce water loss.
D) Exchange gases.
C) Reduce water loss.
Camivores such as lions and leopard seals have sharp canines to help them:
A) Grind tough plants.
B) Dig for insects.
C) Rip, tear, and cut their food.
D) Attract a mate.
C) Rip, tear, and cut their food.
A behavioral adaptation involves:
A) The shape of an animal's beak.
B) The body covering of an organism.
C) Actions or behaviors an animal does to survive.
D) The internal structure of a leaf.
C) Actions or behaviors an animal does to survive.
The xylem and phloem in a leaf are primarily involved in:
A) Gas exchange.
B) Protection from pests.
C) Transporting water, minerals, and food.
D) Absorbing carbon dioxide.
C) Transporting water, minerals, and food.
What is the advantage of a deep taproot, like that of a mesquite tree?
A) It helps the plant absorb more sunlight.
B) It allows the plant to reach underground water sources.
C) It makes the plant more resistant to wind.
D) It is used to store food.
B) It allows the plant to reach underground water sources.
Guard cells are important because they:
A) Carry out photosynthesis.
B) Control the opening and closing of stomata.
C) Form the waxy cuticle.
D) Transport food to the rest of the plant.
B) Control the opening and closing of stomata.
An animal with a long, muscular tongue to help pluck leaves from trees is a:
A) Lion
B) Giraffe
C) Woodpecker
D) Owl
B) Giraffe
The experiment with the woodlice in the choice chamber was designed to investigate their:
A) Structural Adaptations
B) Behavioral Adaptations
C) Reproductive Adaptations
D) Photosynthetic Adaptations
B) Behavioral Adaptations
What part of the leaf is responsible for holding it away from the stem to get full sunlight?
A) Veins
B) Blade
C) Petiole (Leaf Stalk)
D) Cuticle
C) Petiole (Leaf Stalk)
Why is water important for plants? (It is needed for...)
A) cooling the plant only.
B) photosynthesis, transport, and keeping cells firm.
C) helping plants move to new locations.
D) storage for dry seasons only.
B) photosynthesis, transport, and keeping cells firm.
A wide leaf surface area is an adaptation for:
A) Reducing water loss.
B) Absorbing maximum sunlight.
C) Providing structural support.
D) Repelling insects.
B) Absorbing maximum sunlight.
Which of the following is an adaptation an owl might have for obtaining food?
A) Sharp canines for tearing meat.
B) A long neck for reaching into burrows.
C) Excellent night vision and sharp talons for catching prey.
D) Wide, flat molars for grinding seeds.
C) Excellent night vision and sharp talons for catching prey.
Which of the following is NOT a reason why animals need adaptations?
A) Getting food and water.
B) Avoiding being eaten.
C) Making their own food.
D) Coping with extreme environments.
C) Making their own food.
What is the main purpose of the thin structure of a leaf?
A) To make the leaf tough and durable.
B) To allow light and carbon dioxide to reach all cells quickly.
C) To store water for dry periods.
D) To protect the plant from herbivores.
B) To allow light and carbon dioxide to reach all cells quickly.