This is a timeline showing the evolution of traits in plants along a diagonal timeline. What trait does organism #2 NOT have?

Identify one stop codon

Producers are also known as autotrophs. Most producers are plants. Identify the producer in this graphic.

Which of these organelles are not found in animal cells?

Which of these organelles are found in all cells?

Which of these cell parts is responsible for controlling what enters and exits the cell?

The word "transferred" is not correctly placed. Which word below would be the best replacement?

Humans have 46 chromosomes in each of their body cells. This means human egg cells have ___ chromosomes

Dogs have 78 chromosomes in each of their body cells. This means dog sperm cells have ___ chromosomes

The dotted lines in this graphic represent ___

In a species of plant, red flowers (R) are dominant to white flowers (r). What are the genotypes of the parent plants that are crossed when 50% of the offspring are homozygous recessive?

In a species of plant, red flowers (R) are dominant to white flowers (r). What are the genotypes of the parent plants that are crossed when 100% of the offspring are heterozygous?

In a species of plant, red flowers (R) are dominant to white flowers (r). What are the genotypes of the parent plants that are crossed when 100% of the offspring are homozygous dominant?

In ecology, "carrying capacity" describes the maximum numnber of organisms that can comfortably live in an ecosystem. One goldfish requires 1 gallon of water to stay healthy.

What is the carrying capacity of a 50 gallon tank?

In ecology, "carrying capacity" describes the maximum numnber of organisms that can comfortably live in an ecosystem. One guppy requires 1/2 gallon of water to stay healthy.

What is the carrying capacity of a 50 gallon tank?

Over about nine months, a single fertilized human egg cell (zygotye) develops into a baby. This single cell can become hundreds of DIFFERENT tissues through a process called

Over about nine months, a single fertilized human egg cell (zygote) develops into a baby. This single cell can become hundreds of identical cells through a process called

This graphic shows that these four chordates share many similar structures during early embryo development.

What does this tell us about the evolutionary history of these chordates?

Which environment will cause blood cells to explode?

What role are producers playing in this Energy and Nutrient Cycle?

What role are decomposers playing in this Energy and Nutrient Cycle?

What role are consumers playing in this Energy and Nutrient Cycle?

Which organelle in this diagram is capturing energy and storing it as a carbohydrate?

Which organelle in this diagram is using carbohydrate energy to producve ATP? ?

Over hundreds of years, ecosystems go through stages of succession. At the end of these stages, the ecosystem reaches a stable endpoint called the ___

A climax community is most likely ___

This diagram shows how energy flows upwards from producers to larger and larger consumers. At each level, only 10% of the available energy is able to move upward.

How many kilojoules (Kj) of energy makes it to the bear?

This diagram shows how energy flows upwards from producers to larger and larger consumers. At each level, only 10% of the available energy is able to move upward.

First-order (primary) consumers are always ___

Divergent evolution happens when one ancestral species evolves into many new species over time.

Convergent evolution happens when two unrelated species evolve to look the same because they are living in the same kind of environment.

The Faroe Islands had no mice until about 250 years ago, when humans brought mice with them when they settled the island. Today, the Faroe Island mouse is a new subspecies. What kind of evolution occurred?

This diagram has two errors. Two words are in the wrong places. What are the incorrect words?

Which two kingdoms are the most closely related?

What kind of evidence would be the best for determining closely related kingdoms?

Which chnage would be most likely if a new predator arrived that ate octopuses?