Which statement best supports why many offspring look similar to their parents?
a. Offspring inherit characteristics from one parent.
b. Offspring inherit characteristics from both parents.
c. Parents choose which characteristics to pass on to their offspring.
d. Parents choose to change their appearance to match that of their offspring.
b. Offspring inherit characteristics from both parents.
Most species of ducks have webbed feet. The webbed feet are an example of...
a. behavioral trait
b. a learned trait
c. an inherit trait
d. an instinctive trait
c. an inherit trait
All of these are types of taste buds except
a. bitters
b. sour
c. salty
d. chalky
d. chalky
Which is a characteristics of bacteria?
a. large in size
b. able to survive as a single cell
c. found only in one particular environment
d. made up of many different cells working together
b. able to survive as a single cell
Which characteristic would most likely be inherited by a baby?
a. large feet
b. crying a lot
c. ability to jump high
a. large feet
The Ohio state tree is the buckeyes. Which of these is a trait that is inherited by the buckeye tree in the reproduction process?
a. number of leaves that fall during winter
b. change in leaf color during the autumn season
c. type of mineral that is absorbed from the soil
d. amount of water that is available for growth
b. change in leaf color during the autumn season
Rick's rabbit gives birth to 5 babies. Two of the babies have a short, black fur coat like the mother. The other three babies have long, brown fur coats. Which is the most likely description of the father's fur coat?
a. long, black coat
b. long, brown coat
c. short, black coat
d. short, brown coat
b. long, brown coat
What is the main function of the skeletal system?
a. clean the body
b. support the body
c. deliver nutrients to the body
d. grow the body
b. support the body
Which system is controlled by involuntary muscle movement in the diaphragm?
a. digestive
b. respiratory
c. cardiovascular
b. respiratory
A baby horse will inherit all of traits from its parents except?
a. height
b. weight
c. coat color
d. preferred food
d. preferred food
Which statement most likely explains why Beth was born with black hair?
a. Beth's favorite color is black.
b. Beth's friends have black hair.
c. Beth's parents have black hair.
d. Beth's favorite singer has black hair.
c. Beth's parents have black hair.
Which action does a kitten learn from its mother?
a. how to grow
b. how to meow
c. how to hunt mice
d. how to nurse milk
c. how to hunt mice
How are multi-celled organisms different from single-celled organisms?
a. multi-celled organisms must reproduce
b. multi-celled organisms must obtain energy
c. multi-celled organisms have microscope body structure
d. multi-celled organisms have specialized cells to perform life functions
d. multi-celled organisms have specialized cells to perform life functions
How are multi-celled organisms different from single-celled organisms?
a. multi-celled organisms must reproduce
b. multi-celled organisms must obtain energy
c. multi-celled organisms have microscopic body structures
d. multi-celled organisms have specialized cells to perform life functions.
d. multi-celled organisms have specialized cells to perform life functions.
Which of the following characteristics is an acquired trait?
a. height
b. hair color
c. language
d. eye shape
c. language
Kara's three sisters have black hair just like their mother. Which most likely explains why Kara has brown hair?
a. Kara's father has brown hair.
b. Kara is older than her sisters.
c. Kara is younger than her sisters.
d. Kara's mother prefers brown hair.
a. Kara's father has brown hair.
Which statement best describes a learned characteristics in dog?
a. a dog scratches at a door to go outside.
b. a dog has floppy ears.
c. A dog pants to cool itself on a hot day.
d. a dog has a dark coat.
a. a dog scratches at a door to go outside.
A scientist is trying to decide whether an organism is unicellular or multicellular. Which information would help the scientist most to make her decision?
a. size of the cells of organisms
b. what the organism eats
c. how many types of cells are in the organism
d. how fast the organism grows
c. how many types of cells are in the organism
Max is comparing the characteristics of different types of organisms. Which best describes a difference between insects and bacteria?
a. insects are made of one cell, while bacteria are made of many cells
b. bacteria are made of one cell, while insects are made of many cells
c. insects require energy to perform life functions while bacteria do not
d. bacteria require energy to perform life functions while insects do not
b. bacteria are made of one cell, while insects are made of many cells
Which best describes the purpose of the cardiovascular system?
a. it delivers blood to the body's tissues
b. it supplies stability to the skeleton
c. It delivers food to power the body
d. It supplies oxygen to the body
a. it delivers blood to the body's tissues
John observes two frogs sitting on a log in the forest. Both frogs are green with black dots on their backs. Which most likely explains why the two frogs have similar appearances?
a. The frogs eat the same food.
b. The frogs live in the same habitat.
c. The frogs are sitting on the same log
d. The frogs are members of the same population
d. The frogs are members of the same population
Which characteristics of a kitten is an acquired trait due to environmental influences?
a. cleaning its ears
b. sleeping on a chair
c. sharpening its claws
d. meowing when it is hungry
c. sharpening its claws
There are different kinds of muscles in the human body. Each muscle is formed from a group of cells that work together. The main function of a group muscle cells is to...
a. make oxygen
b. release energy
c. digest nutrients
d. cause movement
d. cause movement
Which device works similar to the way kidneys work in the human body?
a. a refrigerator stores food similar to the way kidneys store nutrients the body needs.
b. a thermostat controls temperature similar to the way kidneys control body conditions
c. a wire transports electrical energy similar to the way kidneys transport energy to cells
d. a strainer separates water noodles similar to the way kidneys remove waste from cells
d. a strainer separates water noodles similar to the way kidneys remove waste from cells
What do the muscular system and skeletal system have in common?
a. both systems protect the brain
b. both system pump blood to the body
c. both systems are made up of soft material
d. both systems assist the body with movement
d. both systems assist the body with movement