I
True or False? The more traits two organisms share, the more closely related they are.
True
In a food chain, a carnivore is a
A large geographical area with similar climates and organisms is called a(n)
What is a biome?
An organism is multicellular and made up of eukaryotic cells. The organism can move from one place to another. Its cells do not have cell walls or chloroplasts. In which kingdom does it belong?
What is Animalia?
The many overlapping food chains in an ecosystem make up a(n)
What is a food web?
A plant species has evolved to contain a bad-tasting chemical. Which of the following is the most likely outcome of this adaptation?
Animals are will most likely not eat the plant.
The energy that fuels most life on Earth comes from
What is the sun?
Many organisms in the Galapagos have evolved to become new species with the help of
What is isolation?
A bird species feeds on the seeds of a particular tree. A drought causes the outer covering of the seeds to become thicker and harder. After many generations of drought, what is the MOST LIKELY effect of this change on the birds?
The birds will have stronger beaks.
The purpose of a dichotomous key.
What is to help identify organisms?
Linnaeus’s major contribution to classification was
What is binomial nomenclature?
Which organism in a food web returns matter to the environment?
Finches on one of the Galapagos Islands have thin beaks for capturing insects. Finches on another island have short, heavy beaks for pecking trees. This is a result of
What is natural selection
The first organism in a food chain is always a(n)
What is producer?
Which of the following life processes produces carbon dioxide as a waste product that is eventually returned to the atmosphere?
What is cellular respiration?
Two organisms that are in the same order will also be in the same
What is class?
A ________ refers to all the populations in an ecosystem.
What is community?
The theory of _________ results in organisms with traits best suited to their environment.
What is natural selection?
A certain species of trilobite is known to have lived approximately 300 million years ago. If this index fossil was found in a rock layer containing other fossils, what could you infer about the other fossils?
The other fossils are about 300 million years old.
Which is a description of sexual reproduction, but NOT asexual reproduction?
increases variation in the hereditary information
The classification level that includes the least number of organisms.
What is species?
Most fossils are found here.
What is sedimentary rock?
A type of flatworm called the planarian can divide in half, with each half becoming a complete new organism. This method of reproduction is known as
What is asexual reproduction?
An organism is MOST closely related to another organism that is in the same
What is species?
The place where an organism lives and that provides the things the organism needs is called its
What is habitat?
The scientific name for dogs is Canis familiaris. The scientific name for wolves is Canis lupus. Dogs and wolves have the same ____ name.
What is genus?
The seven levels of classification, from general to specific, are:
kingdom, phylum, class, order, family, genus, species
Consumers that eat both plants and animals are called
What is omnivore?
All of these are multicellular eukaryotes that make their own food.
What are plants?
An organism’s particular role, or how it makes its living, is called its
What is niche?