Which statement best describes how a plant can be affected by environmental factors?(1 point)
Responses
The plant has waxy leaves.
The plant has waxy leaves.
The plant grows toward the sunlight.
The plant grows toward the sunlight.
The plants has deep roots.
The plants has deep roots.
The plant has a thorny stem.
Jose's family drove through the desert in Arizona. He saw many large tree-like cactus plants called saguaro.
He noticed all the plants had an outer texture that looked like folded pleats.
The plants' flowers were white.
The cactus plants produced a red fruit.
Most of the cactus plants were tall with branched arms.
He saw some that had a fan-like shape on the end of the branches.
Which trait that Jose saw was a variation in the cactus?
(1 point)
Responses
shape of the plant
shape of the plant
texture of the plant
texture of the plant
color of the flowers
color of the flowers
color of the fruit
The plant grows toward the sunlight.
Which characteristic of a plant is an example of an inherited trait?(1 point)Responsesshape of its leavesshape of its leavesamount of sunlight the plant getsamount of sunlight the plant getsrichness of soilrichness of soilmoisture of soil
shape of its leaves
shape of the plant
Heredity Unit Test4 of 114 of 11 ItemsQuestionErica’s class planted garden flowers in the classroom’s garden. In six weeks the flowers began to bloom. The students made a list of the color of the flowers.Flower Color1 Blue2 Red3 White4 Pink5 Red6 Blue7 RedWhich is the most common color of flower in the garden?(1 point)Responsesredredbluebluewhitewhitepink
red
A scientist is studying a school of fish.
The fish all have bodies that are the same silver color.
Their eyes are all black.
Each has fins that are three inches long.
Each fish also has a unique spot pattern on its back.
Which inherited trait is different in this school of fish?
(1 point)
Responses
eye color
eye color
fin length
fin length
body color
body color
spot pattern
spot pattern
A group of students records their observations about a flock of birds. Which observation shows a variation in traits in this flock of birds?(1 point)
Responses
The birds all have a tail that is three inches long.
The birds all have a tail that is three inches long.
Each bird has black eyes.
Each bird has black eyes.
The birds all have orange beaks.
The birds all have orange beaks.
Every bird has a different amount of red feathers.
Every bird has a different amount of red feathers.
Heredity Unit Test
7 of 117 of 11 Items
Question
Marla visited the tigers at the zoo. In the first exhibit, she saw two adult tigers, India and Tigre. India, the female tiger, had thick black stripes. Tigre, the male tiger, also had thick black stripes. In the second exhibit, she saw four tiger cubs. Two of the cubs belong to India and Tigre and the other two cubs were from another zoo.
Offspring Stripe Thickness Stripe Color
Cub 1 Thick Black
Cub 2 Narrow Brown
Cub 3 Narrow Brown
Cub 4 Thick Black
Based on the stripe traits, which 2 cubs most likely belong to India and Tigre?
(1 point)
Responses
Cubs 1 and 3
Cubs 1 and 3
Cubs 2 and 4
Cubs 2 and 4
Cubs 2 and 3
Cubs 2 and 3
Cubs 1 and 4
Cubs 1 and 4
Heredity Unit Test
8 of 118 of 11 Items
Question
Several puppies are playing. A female mother has brown, curly fur. A male father has black, smooth fur. The table shows a description of the puppies.
Offspring Fur Type Fur Color
Puppy 1 Curly Black
Puppy 2 Smooth Black
Puppy 3 Curly Yellow
Puppy 4 Smooth Brown
Which of the puppies is least likely the offspring of the parents described?
(1 point)
Responses
Puppy 1
Puppy 1
Puppy 2
Puppy 2
Puppy 3
Puppy 3
Puppy 4
Puppy 3
Ms. Wong describes a plant in her yard.
The plant has a woody stem.
It has green leaves and it flowers.
The flowers are pink because of acid in the soil.
Which trait is caused by the environment of the plant?
(1 point)
Responses
The plant has flowers.
The plant has flowers.
The stem of the plant is woody.
The stem of the plant is woody.
The plant has green leaves.
The plant has green leaves.
The flowers of the plant are pink.
The flowers of the plant are pink.
A scientist is listing observations from a flock of flamingos he is watching. Which observation is a trait influenced by the environment?(1 point)
Responses
The flamingos have curved beaks that point down.
The flamingos have curved beaks that point down.
The flamingos are different shades of pink based on what they eat.
The flamingos are different shades of pink based on what they eat.
The flamingos have long legs.
The flamingos have long legs.
The flamingos have long necks that extend up from their bodies.
The flamingos are different shades of pink based on what they eat.
Use the table to complete the activity.
Radish Number of Leaves
1 3
2 7
3 6
4 3
Ava digs up radishes in the school garden. She records in a table how many leaves each radish has. In one or two sentences, write two conclusions that can be made from the table.
(2 points)