Mason MacLean LS Final Study Guide 2024-25

A set of three bases codes for one specific ____________________ in a protein.

Before chromosomes separate into cells, they undergo ___________, causing offspring to inherit slightly different traits

Which of the following best describes how Darwin's observations helped him to develop his hypothesis?

How do lichens contribute to primary succession?

A species is a group of similar organisms that

The flippers of a dolphin and the arms of a human are examples of ________________ structures.

Alex visits A Fossil Bed in Nebraska, where paleontologists find extinct species. A ___ is an impression of an organism

During DNA replication, adenine (A) always pairs with

A tiger shark bursts through the water and grabs a sea snake swimming on the surface. Which interaction is this

Natural selection leads to evolution by ______.

Sexual reproduction involves an egg cell and a sperm cell joining to form a new cell in a process called 

A sequence of DNA that determines a trait is passed from parent to offspring is called a

DNA has four nitrogen bases: adenine, cytosine, guanine, and ____________. 

What is an inherited behavior or physical change that helps an organism survive and reproduce in its environment?

__________ RNA adds amino acids to a growing protein

What did Darwin observe about finches in the Galápagos Islands?

An organism that has two identical alleles for a trait is

Flatworms can grow from a piece and split into individuals. Offspring identical to the parent come from ___reproduction.

Based on the data in the table, how should she classify the clam?

How does natural selection lead to evolution

This means that having dark-colored skin was ________ advantageous than having light-colored skin.

Daryl learns Earth's climate rapidly changed during an ice age, stressing plant life. How would plants likely react

Two turtle species in a pond eat the same fish. Their struggle for this limited resource is called _____.

What are the genotypes of the parents in a labradoodle, which is a cross between a Labrador retriever and a poodle?

What is one reason brightly-colored fruits have evolved in tropical rainforests?

Which allele is the one whose trait can only show up if the two alleles are the same.

What does the notation tt mean to genetics?

A species is a group of similar organisms that

What is the term for differences among individuals of the same species?

In Mendel's experiments what proportion of the plants in the F2 gen. had a trait that had been absent in the F1 gen.?

What term describes how an organism gets its food, the type of food the organism eats, and what other organisms eat it?

FL bought Everglades farmland to restore water flow. What will likely happen if farming stops

All of the following nitrogen bases are in RNA , except

What did Gregor Mendel do to study characteristics in his genetics experiments?

What is a scientific theory?

Lizards with dark skin were __________ more likely to survive and reproduce than light-skinned lizards

Chromosomes are made up of

Any change in the genetic material of an organism is know as a 

Which of the following images illustrates mutualism?

Jackson observed that the gradual change in a species of birds over time is called ____.

Based on the data in the table, how should she classify the whelk?

Similarities in the early development of chickens and opossums suggest that these animals share a common ____

What forms a genetic code?

In a garden ecosystem, a bee and a flowering plant have a mutualistic relationship. What does this relationship have

 Limiting factors cause the sizes of populations to (stop decreasing / stop increasing) or to (increase / decrease). 

 Sperm and egg cells contain ________ the number of chromosomes from each parent. 

Big toes can be shorter. The short allele (S) is dominant. What is the chance of short big toes in a Ss x ss cross?

Fruit flies are key in genetics, studying traits like wing shape. What term describes gene expression?

What type of relationship forms when a cattle egret forages near a grazing cow?

Scientists call an organism that has two different alleles for a trait a

The gradual change in a species over time is called

The process by which two species evolve in response to changes in each other over time.

The passing of traits from parents to offspring. 

What was the adaptation that Charles Darwin observed int he Galapagos bases on the type of food the finches ate?

What adaptation do snowshoe hares have for surviving in snowy environments?

What did Darwin observe about finches in the Galápagos Islands?

Natural selection relies on ____________________, which are differences among individuals in a species.

Darwin concluded that organisms on the Galápagos Islands

The diagram shows the food web for a forest ecosystem. Which organism has access to the least amount of energy?

What information do the y-axis values on the graph represent?