Chapter 18

Question 1

Animals

Answer 1

eukaryotes that cannot photosynthesize and so must obtain nutrients by feeding on other organisms

Question 2

Herbivore

Answer 2

animal that eats only plants

Question 3

Carnivore

Answer 3

animal that eats other animals

Question 4

Heterotrophs

Answer 4

organisms that cannot produce their own food and rely on consuming other organisms for energy and nutrients.

Question 5

Autotrophy

Answer 5

the ability of an organism to produce its own food, typically through photosynthesis or chemosynthesis, using light or chemical energy

Question 6

Non-vascular plants

Answer 6

plants that lack vascular tissue to transport water and nutrients to the plant body

Question 7

Arthropods

Answer 7

an invertebrate having a segmented body, a hard exoskeleton, and jointed appendages

Question 8

Plasmodesmata

Answer 8

cell junctions that serve in communication between cells

Question 9

Amniotes

Answer 9

tetrapods with a terrestrially adapted egg

Question 10

eukaryotic organism

Answer 10

members of the domain eukarya share a common ancestor, as well as structural features including cells with membrane bound nucleus and organalles

Question 11

Meosis

Answer 11

when the diploid sporophyte (zygote) produces haploid spores

Question 12

Fungus

Answer 12

unicellular or multicellular eukaryotic organism that obtains nutrients by secreting digestive enzymes onto organic matter and