Line 1: *Prokaryotes are single-celled organisms that lack a nucleus. An organism is a living thing. Prokaryotes are single celled living things that lack a nucleus.*
*(F)*
Line 2: *Prokaryotes are single celled living things in the animal kingdom that don't have a what?
Options:
- (A) epidermal
- (B) genus
- (C) complex
- (D) extinction
- (E) food
- (F) nucleus
- (G) properties
- (H) alleles*

Logic of a solution: *Antigens are molecules that the immune system recognizes as foreign to the body. Immunology is the study of the immune system. Immunology includes the study of antigens.*
*(B)*
The original question: *What is one thing studied in immunology?
Options:
- (A) illness
- (B) antigens
- (C) humanism
- (D) health
- (E) philosophy
- (F) resistance
- (G) symbology
- (H) fever*

Line 1: *Ribosomes are structures in the cytoplasm where proteins are made. Outside the nucleus is cytoplasm. Ribosomes are structures outside the nucleus where proteins are made.*
*(A)*
Line 2: *Where in a cell are ribosomes located?
Options:
- (A) outside the nucleus
- (B) Most plants
- (C) solid, liquid, gas
- (D) allow growth
- (E) Veins and arteries.
- (F) Earth orbiting the Sun
- (G) Chlorophyll
- (H) the body's largest organ*

Logic of a solution: *Energy enters ecosystems in the form of sunlight or chemical compounds. Biomes are global ecosystems. Energy enters biomes in the form of sunlight or chemical compounds.*
*(A)*
The original question: *Energy enters what in the form of sunlight or chemical compounds.
Options:
- (A) biomes
- (B) fire
- (C) light
- (D) Energy.
- (E) Energy
- (F) LEDs
- (G) propagate
- (H) photons*

Line 1: *Most reptiles have good eyesight and a keen sense of smell. All lizards are reptiles. Lizards have good eyesight and a keen sense of smell.*
*(F)*
Line 2: *_ have good eyesight and sense of smell.
Options:
- (A) Worms
- (B) crocodiles
- (C) vision
- (D) Snails
- (E) Phytoplankton
- (F) Lizards
- (G) mammals
- (H) animals*

Line 1: *Plants that shed their leaves seasonally each year are called deciduous plants. All trees are in the Kingdom Plantae, the plants. Members of the kingdom Plantae that shed their leaves seasonally each year are called deciduous.*
*(H)*
Line 2:
*Members of what kingdom that shed their leaves seasonally each year are called deciduous.
Options:
- (A) Fungi
- (B) Winter
- (C) air cools
- (D) vegetation
- (E) Animalia
- (F) Protista
- (G) epidermal
- (H) Plantae*