The graph shows the population of alligators and mosquitoes in a pond ecosystem where cricket frogs live. How will this impact the population of cricket frogs over time?

Decreases because the number of predators increases

Increases because the number of predators increases

Decreases because the number of prey decreases

Increases because the number of prey decreases​

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Birds share many similarities with a certain group of dinosaurs that includes the Tyrannosaurus Rex and the Velociraptor. Like birds, these dinosaurs had hollow bones and scales. Fossil evidence shows that many had feathers and some could fly. Evidence also suggests these dinosaurs were warm-blooded.



Given the similarities, identify one characteristic that could be used to differentiate birds from dinosaurs.

An ecosystem has ________________________ when it has a large variety of organisms and has enough resources to support those organisms.

I NEED ASAP


In this model of the rock cycle, A represents ____
rock and B represents the process of _____

What organelle converts food into a form of chemical energy the cells can use in chemical reactions?

A) endoplasmic reticulum
B) mitochondria
C) chloroplasts
D) nucleus

Hurry

A few years ago the population of male blue moon butterflies on the island of Samoa declined. One hypothesis for the decline of the male butterflies is that a parasite infected the cells of female butterflies. The parasite was passed to offspring through the females’ eggs and killed the male butterfly embryos. At one point during the decline, nearly all the butterflies in the population were females, but after five years the number of males in the population increased significantly.



Which explanation most likely accounts for the increase in the number of male butterflies in the five years after the initial parasite problem?

Male butterflies in the population that survived were able to prey on the parasites living in the females’ egg cells.

Female butterflies in the population that survived had a genetic adaptation that allowed them to transform into male butterflies.

Male butterflies in the population that survived had a gene that made them resistant to the parasite, and they passed the gene on to their offspring.

Female butterflies in the population that survived were able to protect the male eggs from the parasite and provide extra care for the male offspring.

Which of these is an example of mutualism?

Cattle egret eats the exposed insects as the cattle graze

Honey Bee pollinates a flower while gathering nectar

Tick gains nourishment by sucking blood from a dog

Two bucks fight to gain territory and to gain a mate​