42.What are nutrients that are the body’s main source of energy
Carbohydrates
55. The main purpose of homeostasis is to
fight disease-causing organisms
produce offspring
keep internal conditions stable
replicate DNA
keep internal conditions stable
60. What type of reproduction involves only one parent and produces identical offspring?
Sexual reproduction
Migration
Asexual reproduction
Internal fertilization
Asexual reproduction
83. Asexual reproduction is different from sexual reproduction in that the offspring of asexual reproduction
are identical to the parent
contain half the chromosomes of the parent
have no genetic material
Have more variety in their traits
are identical to the parent
11. Which of the following terms describes a straight series of connections among organisms that feed on each other?
food chain
44. What store energy and protect organs.
Fats
52.What is the difference between mechanical and chemical digestion?
Mechanical digestion physically breaks food into smaller pieces (like chewing and stomach churning), while chemical digestion uses enzymes and acids to break food down into simpler substances the body can absorb.
64. A plant’s response to light is known as:
Dormancy
Photoperiodism
Tropism
Pollination
Tropism
85. Which example best describes incomplete dominance?
humans with blood type AB
flowers with red petals
horses with roan color pattern
sheep with gray fleece
sheep with gray fleece
117 What are the three types of consumers:
Herbivore
Carnivore
Omnivore
46.What builds strong bones and teeth.
Minerals
60.Organs such as the kidneys, lungs, skin, and liver work together to?
filter out urea
remove carbon dioxide
eliminate excess water
help maintain homeostasis
help maintain homeostasis
61. What happens when a sperm cell joins with an egg cell?
Germination
Pollination
Dormancy
Fertilization
Fertilization
87. What are mating systems?
Threatening behaviors that animals use to gain control over other animals
Behavior patterns that are related to how animals reproduce
Chemicals released by one animal that affect the behavior of another animal of the same species
Behaviors related to the movement of animals from one place to another and back again
Behavior patterns that are related to how animals reproduce
119. What are the four parts of ecosystem organization:
Organism
Population
Community
Ecosystem
49. what speed up chemical reactions that break down food
Enzymes
57._________________ in the stomach are responsible for the mechanical digestion that takes place there
Muscles
67. The transfer of pollen from the male part to the female part of a flower is called:
Fertilization
Germination
Pollination
Inheritance
Pollination
89. Which is not a stimulus that can trigger tropisms in plants?
light
temperature
gravity
touch
temperature
Which of the following describes a population?
A. 85 great white sharks off Cape Cod
B. thousands of dolphins and whales around Hawaii
C. a mating pair of seagulls migrating to an island
D. corals, sponges, algae, reef fish, lobsters, and giant clams
85 great white sharks off Cape Cod
53. How do the nervous and endocrine systems work together to control the body?
they work together to keep the body balanced and responding properly to changes.
51. _________________ is the wave-like movement that pushes food through your digestive system.
Peristalsis
71.A trait controlled by two or more genes is called ________________ inheritance.
polygenic
90. An insect such as the butterfly goes through the process of ____________________as it grows and develops into an adult.
metamorphosis
112.What does an energy pyramid show?
Energy pyramid shows how energy flows through an ecosystem and how the amount of available energy decreases at each higher trophic level.