Question

Some people have attached ear lobes and some people have free ear lobes. The differences in these traits are caused by



(1 point)
Responses

differences in environment.
differences in environment.

differences in personality
differences in personality

differences in diet
differences in diet

differences in genes

Answer 1

Relationships between organisms may be beneficial or detrimental. Which of the following examples shows a relationship in which both organisms benefit?
Responses

A tick attaches itself to the skin of a dog and takes a blood meal
A tick attaches itself to the skin of a dog and takes a blood meal

A female black widow spider Latrodectus mactans mates with a male spider; then, she consumes him
A female black widow spider Latrodectus mactans mates with a male spider; then, she consumes him

An African wasp Certolsolen arabicus pollinates a fig tree Ficus sycomorus as it eats the tree's nectar
An African wasp Certolsolen arabicus pollinates a fig tree Ficus sycomorus as it eats the tree's nectar

A species of hyena known as the aardwolf consumes termites for nourishment

Answer 2

differences in genes