[Answer] 1. Which mammal of the night uses echoes to find its prey in the dark of the night?

Step 1 : Introduction to the question "1. Which mammal of the night uses echoes to find its prey in the dark of the night?"

...1. bat 2. rabbit 3. coyote 4. owl Using echolocation, bats can determine location and what type of prey is close to them, even in the darkest of night. Bats use a constant series of sounds that bounce back giving them information. Some weather systems such as rain can affect their hunting by interfering with the echoes.

[Answer] Surprisingly, not all spiders make webs to capture prey, nor anchor webs to fixed objects. How then do these spiders catch their food?

Step 1 : Introduction to the question "Surprisingly, not all spiders make webs to capture prey, nor anchor webs to fixed objects. How then do these spiders catch their food?"

...The most amazing of these methods is the one used by spiders that weave small webs on their feet, and then leap onto prey and wrap the web around their catch before paralysing and killing it. Astonishing.