Ecosystem and Community Ecology

Question 1

Pollen

Answer 1

small thick-walled plants structures that contain cells which develop into sperm

Question 2

Pollination

Answer 2

transfer of pollen from male to female plant structures so that fertilization can occur

Question 3

Food chains

Answer 3

linked sequences of feeding relationships in a community

Question 4

Food webs

Answer 4

complex interconnection of feeding relationships in community

Question 5

Omnivores

Answer 5

eat both plants and animals

Question 6

Symbiotic relationship

Answer 6

relationship in which two different organisms live together, often interdependently

Question 7

Mutualism

Answer 7

symbiotic relationship in which both members benefit

Question 8

Parasitism

Answer 8

symbiotic relationship in which one member benefits at the expense of another

Question 9

Commensialism

Answer 9

symbiotic rel. in which one member benefits and another is unharmed and does get benefited

Question 10

Niche

Answer 10

the space environmental conditions, and resources that a species needs in order to survive and reproduce

Question 11

Rewilding

Answer 11

restoring native wildlife to their original habitat

Question 12

Biomes

Answer 12

large areas defined by its distinctive climatic and ecological features

Question 13

Tundra

Answer 13

occurs in Arctic and mountain regions
-low growing vegetation
- layer of permafrost soil

Question 14

Taiga

Answer 14

evergreen trees
-long and cold winters, only short summer

Question 15

Temperature deciduous forest

Answer 15

moderate winters and rainfall
- trees (evergreen or deciduous) drop their leaves in the winter

Question 16

Temperate grassland

Answer 16

perennial grasses and other nonwoody plants

Question 17

Mediterranean

Answer 17

long, hot and dry summers, and cool damp winters

Question 18

Tropical forest

Answer 18

warm temperatures and sufficient rainfalls to support the trees

Question 19

Savanna -

Answer 19

warm temperatures and two seasons dry and rainy

Question 20

Dessert

Answer 20

extreme dryness
1. Cold deserts - cold winters and hot summers
2. Hot desserts - warm all year

Question 21

Aquatic (Marine)

Answer 21

this biome covers about 3/4 of Earth and includes the oceans, coral reefs, and estuaries

Question 22

Aquatic (Fresh Water)

Answer 22

an Earth’s biomes characterized by a low salt concentration
-ponds, lakes, rivers, streams