The town of pleasantville experienced a very hot, dry summer with very little wind. how can these conditions affect the reproduction of seed plants?
a. pollen requires hot temperatures and dry conditions so the conditions could many plants survive.
b. pollen travels on wind and water so the conditions could affect the ability of pollen to travel.
c. seed plants need water for sperm to swim, so the dry conditions could make it harder for the sperm of seed plants to fertilize eggs.
d. the conditions are external stimuli that could trigger a change in behavior in plants; they might wilt or die.

gametes or germ cells are haploid cells (example: sperm and ova) containing only one set (or n) number of chromosomes and autosomal or somatic cells are diploid cells containing 2n number of chromosomes.

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)

50% lit on the left side

which

what is a measurement of the earth’s history divided into time periods?

> fossil record <

sedimentary rock

> geologic time scale <

radioactive elements