Question

1. desert organisms have highly specialized ______ for survival due the harsh conditions and extreme temperatures.

a) adaptations
b) gametes
c) mitochondria
d) niches

1. which of the following characteristics is not present in the tundra? *

a) high winds
b) permafrost
c) plentiful vegetation
d) very low temperature all year

Explanation:

Question 3

To solve this, we analyze each option:

• Option A: Adaptations are traits or behaviors that help organisms survive in their environment. Desert organisms need specialized adaptations (like water - storing structures, heat - resistant features) to survive harsh desert conditions.
• Option B: Gametes are reproductive cells (sperm and egg), which have nothing to do with surviving harsh desert conditions.
• Option C: Mitochondria are cell organelles for energy production, not related to surviving desert conditions.
• Option D: A niche is an organism's role in an ecosystem, not a feature for survival in harsh conditions.

We analyze the characteristics of the Tundra biome:

• Option A: High winds are a characteristic of the Tundra due to its open, flat landscape.
• Option B: Permafrost (permanently frozen ground) is a defining feature of the Tundra.
• Option C: The Tundra has a harsh climate with short growing seasons, and vegetation is sparse (like mosses, lichens, and small shrubs), not plentiful.
• Option D: The Tundra has very low temperatures throughout the year, with long, cold winters and short, cool summers.

Answer:

A) adaptations

Question 4