Which of the following characteristics describe the outer planets?
a: high density, large gas giants, made of metal and rock, have no moons

b: small gas planets, high density, made of rock and metal, many moons

c: large gas giants, made of helium and hydrogen, many moons,

d: low density, smaller than inner planets, made of helium and hydrogen, no moons

1. a host loses nutrients to a parasite

2. a parasite only benefits when the host is alive (cause if the host dies the parasite dies with it )

3. producers to consumers

4. the tapeworm is a parasite

5. they convert energy from the sun (photosynthesis)

6. sunflower-robin (i think im 80% sure)

7. producer

8. consumer

9. prey

10. fresh water snails ( cause the green algea is the producer and the snails are the primary consumers and the small fish consumer so is the big fish)

blue

light-years

magnitude

answer : haversian

[explanation: -(compact bone is organized as parallel columns, known as haversian systems, which run lengthwise down the axis of long bones. these columns are composed of lamellae, concentric rings of bone, surrounding a central channel, or haversian canal, that contains the nerves, blood vessels, and lymphatic system of the bone)]